5/16" PYRAN® PLATINUM L Archives - Bear Glass Blog https://bearglassblog.com/tag/5-16-pyran-platinum-l/ Tue, 23 Jun 2026 07:35:10 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.4 https://bearglassblog.com/wp-content/uploads/2015/08/cropped-Bear_logo1-1-75x75.png 5/16" PYRAN® PLATINUM L Archives - Bear Glass Blog https://bearglassblog.com/tag/5-16-pyran-platinum-l/ 32 32 Fire-Rated Glass: Uses in Professional Fields, Manufacturing, and Buyer Benefits https://bearglassblog.com/fire-rated-glass-uses-in-professional-fields-manufacturing-and-buyer-benefits/ Tue, 23 Jun 2026 07:35:09 +0000 https://bearglassblog.com/?p=7563 Introduction: Where Safety Meets Design In today’s built environment, fire safety is not a feature — it’s a requirement. Whether you’re designing a high-rise office tower, a school, a hospital corridor, or a luxury retail space, the materials you choose can mean the difference between containment and catastrophe when a fire breaks out. Fire-rated glass stands at the intersection of modern architecture and life-safety engineering. It allows buildings to remain open, light-filled, and visually connected — while providing critical minutes for occupants to evacuate and for firefighters to respond. Bear Glass Inc., serving clients across New York and New Jersey, has long been a trusted supplier of premium fire-rated glazing solutions designed for exactly these demands. This blog explores where fire-rated glass is used across professional sectors, how it is manufactured, and why it is a smart investment for anyone building or retrofitting a structure. What Is Fire-Rated Glass? Fire-rated glass is a specially engineered safety glass designed to resist the spread of flames, smoke, and hot gases for a defined period — typically 20, 45, 60, 90, or up to 180 minutes — depending on the product and application. Unlike conventional glass, which shatters or melts rapidly under high temperatures, fire-rated glass maintains its structural integrity long enough to give occupants time to escape and for emergency systems to activate. It is not simply “thicker glass.” Fire-rated glass is the result of advanced material science and precision manufacturing — and it must pass rigorous standardized tests before it can be used in any regulated building application. Professional Fields Where Fire-Rated Glass Is Essential 1. Commercial Office Buildings Modern office design prioritizes open floor plans, glass partitions, and natural light. Fire-rated glass makes this possible without sacrificing the fire compartmentalization required by building codes. It is used in: In high-rise buildings, where evacuation takes longer, fire-rated glazing in stairwells and corridors is often mandatory. It keeps escape routes visible and passable even as fire spreads in adjacent areas. 2. Healthcare Facilities Hospitals and medical centers present unique fire-safety challenges. Patients in ICUs, operating rooms, or recovery wards cannot always self-evacuate. Fire-rated glass is critical here because it: In surgical suites and pharmacy areas with hazardous materials, the ability to contain fire while maintaining line of sight is not just convenient — it is lifesaving. 3. Educational Institutions Schools, colleges, and universities are high-occupancy environments with strict fire egress requirements. Fire-rated glass is used throughout: Building codes for educational occupancies often require rated assemblies in all exit corridors. Fire-rated glass satisfies these requirements while keeping environments bright and connected. 4. Hospitality and Retail Hotels, restaurants, and retail environments invest heavily in aesthetics. Fire-rated glass allows designers to maintain glass-forward interiors — open atriums, glazed corridors, transparent facades — without compromising on safety compliance. In hotel stairwells, fire-rated glazing prevents smoke spread while preserving the architectural openness guests expect. In retail malls, fire-rated partitions between tenants can contain a fire to a single unit, protecting the broader facility and minimizing property loss. 5. Industrial and Manufacturing Facilities Warehouses, factories, and processing plants often contain flammable materials, making fire containment a top operational priority. Fire-rated glass is used in: Here, fire ratings of 90 to 180 minutes are common, given the intensity of potential industrial fires. 6. Government and Institutional Buildings Courthouses, municipal buildings, libraries, and civic centers often require fire-rated glass by code — and also by the nature of their occupancy, which may include large public gatherings. Additionally: How Fire-Rated Glass Is Manufactured The manufacturing of fire-rated glass is fundamentally different from standard float glass. There are three primary types, each with its own production process. Glass-Ceramic (Pyroceramic) Glass This is the most widely used type for fire-protective glazing. Products like PYRAN® Platinum by SCHOTT — carried by Bear Glass Inc. — fall into this category. Manufacturing Process: The result is a transparent, true-color glass-ceramic that can sustain fire ratings from 20 to 180 minutes while passing hose-stream tests and positive pressure standards like UL 10C. Tempered and Wired Glass Older fire-rated assemblies often used wire glass — a float glass product with embedded steel wire mesh that holds fragments together in a fire. While largely superseded in modern projects by ceramic and laminated products, wired glass is still code-compliant in some applications. Tempered fire-rated glass is created by heating standard glass and then rapidly cooling it (quenching), which puts its surfaces under compression and its interior under tension. This increases mechanical strength. However, tempered glass alone has limited fire resistance compared to glass-ceramic. Laminated Fire-Resistive Glass For applications requiring not just fire protection but also thermal insulation (i.e., resistance to radiant heat transfer), multi-layer laminated glass assemblies are used. These typically consist of: This construction can achieve ASTM E119 or UL 263 ratings, which require limiting heat transmission as well as structural integrity. These are the most demanding fire-resistive assemblies, used in rated exterior walls and fire-resistive barriers where radiant heat must be blocked as well as flames and smoke. Benefits for Buyers: Why Invest in Fire-Rated Glass? ✔ Life Safety and Liability Protection The primary benefit is the protection of human life. Fire-rated glass buys critical evacuation time. For building owners, this also translates to reduced liability. A building that meets or exceeds fire code requirements is far better positioned in the event of an incident. ✔ Code Compliance Local building codes, the International Building Code (IBC), NFPA standards, and occupancy-specific regulations often mandate fire-rated glazing in specific locations. Bear Glass supplies products tested and listed to UL 10C, ANSI Z97.1, and CPSC 16CFR1201 — the standards inspectors and authorities look for. ✔ Insurance Advantages Many commercial insurers offer premium reductions for properties with fire-rated construction. Investing in certified fire-rated glass can lead to long-term savings on property insurance — partially offsetting the upfront cost. ✔ Preservation of Natural Light and Openness Unlike solid fire walls, fire-rated glass maintains visual connection and daylighting across compartmented spaces. This is architecturally significant — it allows designers to achieve open, transparent interiors without sacrificing the required fire separation. ✔ Customization Without Compromising Rating Bear Glass’s PYRAN® Platinum products can be lightly sandblasted or finished with surface-applied opacity films to achieve privacy or aesthetic goals — without affecting the fire rating or UL listing. Insulated glazing units (IGUs) can also be constructed for thermal performance. ✔ Impact Safety in One Product Products like PYRAN® Platinum F (with surface film) and PYRAN® Platinum L (laminated) meet the safety ratings — Category I and/or II. This means a single glazing product can satisfy both fire code and safety glazing requirements simultaneously, simplifying specification and procurement. ✔ Long-Term Durability Fire-rated glass, properly installed and maintained, is a long-term asset. Its glass-ceramic composition is inherently stable and resistant to environmental degradation. Regular inspection ensures the glazing and its frame system continue to perform as rated over the life of the building. Bear Glass Fire-Rated Product Lineup at a Glance Product Thickness Fire Rating Key Feature PYRAN® Platinum 3/16″ (5mm) 20–90 min Non-impact; for transoms & windows PYRAN® Platinum F 3/16″ (5mm) Up to 90 min (90 min in doors up to 180 min) Impact safety-rated with surface film PYRAN® Platinum L 5/16″ Up to 90 min (90 min in doors up to 180 min) Laminated; impact safety-rated All products: A Note on Fire-Protective vs. Fire-Resistive Glazing Buyers should understand an important distinction: Fire-protective glazing (like PYRAN® Platinum) prevents the spread of flames and smoke but does not function as a barrier to radiant heat. It is appropriate for most interior applications. Fire-resistive glazing — typically laminated assemblies with intumescent interlayers — limits both flame spread and heat transmission, meeting ASTM E119 or UL 263 standards. These are required for exterior walls and certain high-demand interior separations. Bear Glass can advise on which category is appropriate for your specific application and jurisdiction. Choosing the Right Product: What Buyers Should Ask When specifying fire-rated glass, buyers and architects should clarify: The team at Bear Glass — with locations in Queens Village, NY and Tinton Falls, NJ — can walk through these questions and recommend the right certified product for every application. Conclusion: Fire-Rated Glass Is a Professional Imperative Fire-rated glass has moved well beyond its origins as a niche safety product. Today, it is a standard specification tool for architects, contractors, code consultants, and facilities managers across healthcare, education, commercial, industrial, hospitality, and government sectors. Its manufacturing — rooted in advanced glass-ceramic science and rigorous testing — delivers a product that does something no other material can: it keeps spaces open and light-filled while standing between a fire and the people inside a building. For buyers, the calculus is straightforward. The upfront investment in certified, tested fire-rated glazing pays dividends in safety, compliance, insurance positioning, and long-term asset value. And with Bear Glass as your supplier, you gain access to premium PYRAN® Platinum products backed by expert guidance and decades of industry experience. Ready to specify fire-rated glass for your next project? Contact Bear Glass Inc. at +1 (718) 832-3604 or visit bearglass.com/fire-rated-glass.php to request a quote or consult with our glazing specialists.

The post Fire-Rated Glass: Uses in Professional Fields, Manufacturing, and Buyer Benefits appeared first on Bear Glass Blog.

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Introduction: Where Safety Meets Design

In today’s built environment, fire safety is not a feature — it’s a requirement. Whether you’re designing a high-rise office tower, a school, a hospital corridor, or a luxury retail space, the materials you choose can mean the difference between containment and catastrophe when a fire breaks out.

Fire-rated glass stands at the intersection of modern architecture and life-safety engineering. It allows buildings to remain open, light-filled, and visually connected — while providing critical minutes for occupants to evacuate and for firefighters to respond. Bear Glass Inc., serving clients across New York and New Jersey, has long been a trusted supplier of premium fire-rated glazing solutions designed for exactly these demands.

This blog explores where fire-rated glass is used across professional sectors, how it is manufactured, and why it is a smart investment for anyone building or retrofitting a structure.

What Is Fire-Rated Glass?

Fire-rated glass is a specially engineered safety glass designed to resist the spread of flames, smoke, and hot gases for a defined period — typically 20, 45, 60, 90, or up to 180 minutes — depending on the product and application. Unlike conventional glass, which shatters or melts rapidly under high temperatures, fire-rated glass maintains its structural integrity long enough to give occupants time to escape and for emergency systems to activate.

It is not simply “thicker glass.” Fire-rated glass is the result of advanced material science and precision manufacturing — and it must pass rigorous standardized tests before it can be used in any regulated building application.

Professional Fields Where Fire-Rated Glass Is Essential

1. Commercial Office Buildings

Modern office design prioritizes open floor plans, glass partitions, and natural light. Fire-rated glass makes this possible without sacrificing the fire compartmentalization required by building codes. It is used in:

  • Interior partitions and demising walls separating tenant spaces
  • Lobby and atrium enclosures that must remain transparent while forming a fire barrier
  • Elevator shaft enclosures where smoke containment is critical
  • Conference room glazing where visibility and safety must coexist

In high-rise buildings, where evacuation takes longer, fire-rated glazing in stairwells and corridors is often mandatory. It keeps escape routes visible and passable even as fire spreads in adjacent areas.

2. Healthcare Facilities

Hospitals and medical centers present unique fire-safety challenges. Patients in ICUs, operating rooms, or recovery wards cannot always self-evacuate. Fire-rated glass is critical here because it:

  • Contains fire and smoke while allowing staff visibility into patient areas
  • Protects corridors used for patient transport during emergencies
  • Complies with strict healthcare building codes (such as NFPA 101, the Life Safety Code)
  • Maintains hygiene standards since glass surfaces are easy to clean and non-porous

In surgical suites and pharmacy areas with hazardous materials, the ability to contain fire while maintaining line of sight is not just convenient — it is lifesaving.

3. Educational Institutions

Schools, colleges, and universities are high-occupancy environments with strict fire egress requirements. Fire-rated glass is used throughout:

  • Classroom corridor windows — allowing visibility while maintaining fire separation
  • Laboratory enclosures — where chemical hazards increase fire risk
  • Stairwell enclosures — providing safe evacuation paths
  • Library and administrative partitions — where open design and safety intersect

Building codes for educational occupancies often require rated assemblies in all exit corridors. Fire-rated glass satisfies these requirements while keeping environments bright and connected.

4. Hospitality and Retail

Hotels, restaurants, and retail environments invest heavily in aesthetics. Fire-rated glass allows designers to maintain glass-forward interiors — open atriums, glazed corridors, transparent facades — without compromising on safety compliance.

In hotel stairwells, fire-rated glazing prevents smoke spread while preserving the architectural openness guests expect. In retail malls, fire-rated partitions between tenants can contain a fire to a single unit, protecting the broader facility and minimizing property loss.

5. Industrial and Manufacturing Facilities

Warehouses, factories, and processing plants often contain flammable materials, making fire containment a top operational priority. Fire-rated glass is used in:

  • Observation windows in production areas, allowing supervisors to monitor operations from a safe enclosure
  • Control room enclosures protecting personnel and equipment from industrial fires
  • Loading dock and storage area partitions that must maintain separation between high-risk zones

Here, fire ratings of 90 to 180 minutes are common, given the intensity of potential industrial fires.

6. Government and Institutional Buildings

Courthouses, municipal buildings, libraries, and civic centers often require fire-rated glass by code — and also by the nature of their occupancy, which may include large public gatherings. Additionally:

  • Security glazing is often combined with fire ratings in government buildings
  • Historic preservation projects use fire-rated glass to modernize fire safety without altering the visual character of heritage structures
  • Transit hubs (airports, train stations) use fire-rated glass to maintain open, visible concourses while meeting life-safety codes

How Fire-Rated Glass Is Manufactured

The manufacturing of fire-rated glass is fundamentally different from standard float glass. There are three primary types, each with its own production process.

Glass-Ceramic (Pyroceramic) Glass

This is the most widely used type for fire-protective glazing. Products like PYRAN® Platinum by SCHOTT — carried by Bear Glass Inc. — fall into this category.

Manufacturing Process:

  1. Raw material melting: Specialty raw materials, including lithium aluminosilicate compounds, are melted at extremely high temperatures in a controlled furnace.
  2. Forming: The molten glass is formed into flat sheets using precision rollers or float processes.
  3. Controlled crystallization (ceramization): The glass is subjected to a precise heat treatment cycle that converts a portion of the amorphous glass into a crystalline ceramic structure. This is the critical step. The resulting glass-ceramic has a near-zero coefficient of thermal expansion — meaning it expands almost negligibly when heated. This property is what allows it to withstand the extreme thermal shock of firefighting water hoses.
  4. Annealing and cutting: The glass-ceramic is cooled in a controlled annealing process, then cut to specification.
  5. Optional surface treatment: For impact-safety applications, a surface-applied safety film is added (creating products like PYRAN® Platinum F), or the glass-ceramic sheets are laminated with interlayers (creating products like PYRAN® Platinum L).

The result is a transparent, true-color glass-ceramic that can sustain fire ratings from 20 to 180 minutes while passing hose-stream tests and positive pressure standards like UL 10C.

Tempered and Wired Glass

Older fire-rated assemblies often used wire glass — a float glass product with embedded steel wire mesh that holds fragments together in a fire. While largely superseded in modern projects by ceramic and laminated products, wired glass is still code-compliant in some applications.

Tempered fire-rated glass is created by heating standard glass and then rapidly cooling it (quenching), which puts its surfaces under compression and its interior under tension. This increases mechanical strength. However, tempered glass alone has limited fire resistance compared to glass-ceramic.

Laminated Fire-Resistive Glass

For applications requiring not just fire protection but also thermal insulation (i.e., resistance to radiant heat transfer), multi-layer laminated glass assemblies are used. These typically consist of:

  • Multiple glass or glass-ceramic lites
  • Intumescent interlayers — clear, gel-like materials that expand dramatically when exposed to heat, forming an opaque, insulating foam barrier

This construction can achieve ASTM E119 or UL 263 ratings, which require limiting heat transmission as well as structural integrity. These are the most demanding fire-resistive assemblies, used in rated exterior walls and fire-resistive barriers where radiant heat must be blocked as well as flames and smoke.

Benefits for Buyers: Why Invest in Fire-Rated Glass?

✔ Life Safety and Liability Protection

The primary benefit is the protection of human life. Fire-rated glass buys critical evacuation time. For building owners, this also translates to reduced liability. A building that meets or exceeds fire code requirements is far better positioned in the event of an incident.

✔ Code Compliance

Local building codes, the International Building Code (IBC), NFPA standards, and occupancy-specific regulations often mandate fire-rated glazing in specific locations. Bear Glass supplies products tested and listed to UL 10C, ANSI Z97.1, and CPSC 16CFR1201 — the standards inspectors and authorities look for.

✔ Insurance Advantages

Many commercial insurers offer premium reductions for properties with fire-rated construction. Investing in certified fire-rated glass can lead to long-term savings on property insurance — partially offsetting the upfront cost.

✔ Preservation of Natural Light and Openness

Unlike solid fire walls, fire-rated glass maintains visual connection and daylighting across compartmented spaces. This is architecturally significant — it allows designers to achieve open, transparent interiors without sacrificing the required fire separation.

✔ Customization Without Compromising Rating

Bear Glass’s PYRAN® Platinum products can be lightly sandblasted or finished with surface-applied opacity films to achieve privacy or aesthetic goals — without affecting the fire rating or UL listing. Insulated glazing units (IGUs) can also be constructed for thermal performance.

✔ Impact Safety in One Product

Products like PYRAN® Platinum F (with surface film) and PYRAN® Platinum L (laminated) meet the safety ratings — Category I and/or II. This means a single glazing product can satisfy both fire code and safety glazing requirements simultaneously, simplifying specification and procurement.

✔ Long-Term Durability

Fire-rated glass, properly installed and maintained, is a long-term asset. Its glass-ceramic composition is inherently stable and resistant to environmental degradation. Regular inspection ensures the glazing and its frame system continue to perform as rated over the life of the building.

Bear Glass Fire-Rated Product Lineup at a Glance

ProductThicknessFire RatingKey Feature
PYRAN® Platinum3/16″ (5mm)20–90 minNon-impact; for transoms & windows
PYRAN® Platinum F3/16″ (5mm)Up to 90 min (90 min in doors up to 180 min)Impact safety-rated with surface film
PYRAN® Platinum L5/16″Up to 90 min (90 min in doors up to 180 min)Laminated; impact safety-rated

All products:

  • Withstand thermal shock
  • Pass positive pressure test standard UL 10C
  • Are compatible with any standard fire-rated frame of the same rating
  • Are suitable for insulated glazing unit (IGU) construction

A Note on Fire-Protective vs. Fire-Resistive Glazing

Buyers should understand an important distinction:

Fire-protective glazing (like PYRAN® Platinum) prevents the spread of flames and smoke but does not function as a barrier to radiant heat. It is appropriate for most interior applications.

Fire-resistive glazing — typically laminated assemblies with intumescent interlayers — limits both flame spread and heat transmission, meeting ASTM E119 or UL 263 standards. These are required for exterior walls and certain high-demand interior separations.

Bear Glass can advise on which category is appropriate for your specific application and jurisdiction.

Choosing the Right Product: What Buyers Should Ask

When specifying fire-rated glass, buyers and architects should clarify:

  1. What is the required fire rating? (20, 45, 60, 90, or 180 minutes)
  2. Is this a fire-protective or fire-resistive application? (Is radiant heat blocking required?)
  3. Is impact safety rating required? (Door lites, sidelites, and low-level glazing often require it)
  4. What is the frame system? (The glazing and frame must be rated as a system)
  5. Are there aesthetic or functional requirements? (Privacy film, sandblasting, IGU)
  6. What local code and occupancy type applies?

The team at Bear Glass — with locations in Queens Village, NY and Tinton Falls, NJ — can walk through these questions and recommend the right certified product for every application.

Conclusion: Fire-Rated Glass Is a Professional Imperative

Fire-rated glass has moved well beyond its origins as a niche safety product. Today, it is a standard specification tool for architects, contractors, code consultants, and facilities managers across healthcare, education, commercial, industrial, hospitality, and government sectors.

Its manufacturing — rooted in advanced glass-ceramic science and rigorous testing — delivers a product that does something no other material can: it keeps spaces open and light-filled while standing between a fire and the people inside a building.

For buyers, the calculus is straightforward. The upfront investment in certified, tested fire-rated glazing pays dividends in safety, compliance, insurance positioning, and long-term asset value. And with Bear Glass as your supplier, you gain access to premium PYRAN® Platinum products backed by expert guidance and decades of industry experience.

Ready to specify fire-rated glass for your next project? Contact Bear Glass Inc. at +1 (718) 832-3604 or visit bearglass.com/fire-rated-glass.php to request a quote or consult with our glazing specialists.

The post Fire-Rated Glass: Uses in Professional Fields, Manufacturing, and Buyer Benefits appeared first on Bear Glass Blog.

]]> Fire Rated Glass: The Ultimate Safety Solution for Modern Buildings | Bear Glass https://bearglassblog.com/fire-rated-glass-the-ultimate-safety-solution-for-modern-buildings-bear-glass/ Mon, 18 May 2026 07:24:42 +0000 https://bearglassblog.com/?p=7541 When it comes to building safety, fire-rated glass stands out as one of the most critical investments a property owner or architect can make. At Bear Glass, we deliver premium fire-rated glass solutions across New York and the United States — combining superior safety performance with the elegance of modern design. Whether you’re constructing a new commercial space or upgrading a residential property, our fire-rated glass products offer the protection, clarity, and compliance you need. What Is Fire Rated Glass? Fire-rated glass is a specialized type of safety glass engineered to resist the spread of fire and smoke for a defined period of time. Unlike ordinary glass that shatters or melts under intense heat, fire-rated glass is manufactured using advanced materials and precision processes that dramatically enhance its thermal resistance and structural integrity when exposed to high temperatures. This makes it an ideal choice for buildings where fire safety is a top priority — including commercial offices, hospitals, schools, hotels, and multi-family residential buildings. By slowing the progression of fire, it buys critical time for occupants to evacuate and for emergency responders to intervene — all while preserving natural light and open sightlines that define contemporary architecture. “Fire-rated glass is ideal for cases where one needs open space and natural light in abundance, along with the proper fire rating of the establishment.” — Bear Glass Bear Glass Fire-Rated Glass Products Bear Glass carries the best in quality fire-rated glass, with products available in a variety of fire ratings designed to meet most glazing classifications and applications. Our fire-rated glass product line is built around the trusted PYRAN® Platinum family — a superior glass-ceramic solution available in three configurations. 1. 3/16″ PYRAN® PLATINUM — Fire Rating: 20–90 Minutes PYRAN® Platinum is Bear Glass’s entry-level fire-protection rated glazing material, crafted from transparent glass-ceramic at a thickness of 3/16″ (5mm). It is designed for non-impact, non-safety rated locations such as transoms and windows where true-color rendition and fire resistance of up to 90 minutes are required. Safety Features Where Can It Be Used? 2. 3/16″ PYRAN® PLATINUM F — Fire Rating: 20–180 Minutes PYRAN® Platinum F is a step up — a fire-protection rated and impact safety-rated glazing material made from transparent glass-ceramic at 3/16″ (5mm) thickness. It features a surface-applied safety film, making it ideal for use in safety-rated locations including door lites, transoms, sidelites, and windows with fire ratings up to 90 minutes in windows and an impressive up to 180 minutes in doors. Safety Features Where Can It Be Used? 3. 5/16″ PYRAN® PLATINUM L — Fire Rating: 20–180 Minutes PYRAN® Platinum L is the most robust option in the lineup — a fire-protection rated and impact safety-rated glazing material with a thicker profile of approximately 5/16″. It is made from a laminated glass-ceramic, offering a transparent appearance with exceptional durability. Like the Platinum F, it supports fire ratings up to 90 minutes in windows and up to 180 minutes in doors. Safety Features Where Can It Be Used? Fire-Rated Glass Specifications at a Glance Specification Details Glass Types PYRAN® PLATINUM, PYRAN® PLATINUM F, PYRAN® PLATINUM L Fire Rating 20–90 Min. / 20–180 Min. Glass Thickness 3/16″, 5/16″ Customization Can be lightly sandblasted or fitted with surface-applied films Impact Safety Rating Meets ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and/or II) Applications Internal and external use — doors, windows, partitions, facades Benefits of Fire-Protective Glazing Fire-protective glazing goes far beyond simply slowing down flames. Here’s a closer look at why architects, builders, and property owners across the country trust Bear Glass for their fire-rated glass glazing needs: Where Is Fire-Rated Glass Used? Bear Glass fire-rated glass can be integrated into a wide range of architectural applications, both in new construction and renovation projects. Here are some of the most common use cases: How to Choose the Right Fire-Rated Glass Selecting the right fire-rated glass involves more than just picking a product off the shelf. Here’s what you should always verify before making your decision: What is the difference between fire-rated glass and regular glass? Regular glass shatters or melts when exposed to heat, compromising the safety of a building. Fire-rated glass is specifically engineered to maintain its integrity for a defined duration — whether 20, 60, 90, or 180 minutes — under direct fire exposure. Can fire-rated glass be customized? Yes. Bear Glass’s fire-rated products can be lightly sandblasted or fitted with surface-applied opacity or decorative films without affecting their fire rating or UL listing. Custom sizes and shapes are also available to suit project-specific requirements. Why Choose Bear Glass for Fire-Rated Glass? Bear Glass has been a trusted name in the glass industry, serving customers across New York and the broader United States. Here’s what sets us apart: Request a Free Quote Today Ready to enhance the fire safety of your building without sacrificing design? Bear Glass is here to help. Contact our team today to discuss your fire-rated glass requirements and receive a no-obligation quote tailored to your project. 📍 Queens Village, NY: 217-44 98th Ave, Queens Village, NY 11429 | +1 (718) 832-3604 📍 Tinton Falls, NJ: 359 Essex Road, Tinton Falls, NJ 07753 | +1 (732) 901-2626 📧 Email: sales@bearglass.com Bear Glass Inc. — Delivering premium fire-rated glass solutions across the United States. Visit us at bearglass.com | Follow us on Facebook, Instagram, and X (Twitter).

The post Fire Rated Glass: The Ultimate Safety Solution for Modern Buildings | Bear Glass appeared first on Bear Glass Blog.

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When it comes to building safety, fire-rated glass stands out as one of the most critical investments a property owner or architect can make. At Bear Glass, we deliver premium fire-rated glass solutions across New York and the United States — combining superior safety performance with the elegance of modern design. Whether you’re constructing a new commercial space or upgrading a residential property, our fire-rated glass products offer the protection, clarity, and compliance you need.

What Is Fire Rated Glass?

Fire-rated glass is a specialized type of safety glass engineered to resist the spread of fire and smoke for a defined period of time. Unlike ordinary glass that shatters or melts under intense heat, fire-rated glass is manufactured using advanced materials and precision processes that dramatically enhance its thermal resistance and structural integrity when exposed to high temperatures.

This makes it an ideal choice for buildings where fire safety is a top priority — including commercial offices, hospitals, schools, hotels, and multi-family residential buildings. By slowing the progression of fire, it buys critical time for occupants to evacuate and for emergency responders to intervene — all while preserving natural light and open sightlines that define contemporary architecture.

“Fire-rated glass is ideal for cases where one needs open space and natural light in abundance, along with the proper fire rating of the establishment.”

— Bear Glass

Bear Glass Fire-Rated Glass Products

Bear Glass carries the best in quality fire-rated glass, with products available in a variety of fire ratings designed to meet most glazing classifications and applications. Our fire-rated glass product line is built around the trusted PYRAN® Platinum family — a superior glass-ceramic solution available in three configurations.

1. 3/16″ PYRAN® PLATINUM — Fire Rating: 20–90 Minutes

PYRAN® Platinum is Bear Glass’s entry-level fire-protection rated glazing material, crafted from transparent glass-ceramic at a thickness of 3/16″ (5mm). It is designed for non-impact, non-safety rated locations such as transoms and windows where true-color rendition and fire resistance of up to 90 minutes are required.

Safety Features

  • Fire-rated for up to 90 minutes with required hose-stream test
  • Passes positive pressure test standard UL 10C
  • Withstands thermal shock for sustained performance under extreme heat

Where Can It Be Used?

  • Can be used to construct insulated glazing units
  • Can be lightly sandblasted or delivered with surface-applied opacity film, without affecting fire rating
  • Approved for use with any standard fire-rated frame carrying the same rating

2. 3/16″ PYRAN® PLATINUM F — Fire Rating: 20–180 Minutes

PYRAN® Platinum F is a step up — a fire-protection rated and impact safety-rated glazing material made from transparent glass-ceramic at 3/16″ (5mm) thickness. It features a surface-applied safety film, making it ideal for use in safety-rated locations including door lites, transoms, sidelites, and windows with fire ratings up to 90 minutes in windows and an impressive up to 180 minutes in doors.

Safety Features

  • Surface-applied safety film; impact safety-rated: meets ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and/or II)
  • Fire-rated for up to 90 minutes with required hose-stream test
  • Fire-rated for up to 180 minutes in doors with required hose-stream test
  • Withstands thermal shock
  • Passes positive pressure test standard UL 10C

Where Can It Be Used?

  • Can be used to construct insulated glazing units
  • Can be lightly sandblasted or delivered with surface-applied opacity film, without affecting fire rating
  • Approved for use with any standard fire-rated frame carrying the same rating

3. 5/16″ PYRAN® PLATINUM L — Fire Rating: 20–180 Minutes

PYRAN® Platinum L is the most robust option in the lineup — a fire-protection rated and impact safety-rated glazing material with a thicker profile of approximately 5/16″. It is made from a laminated glass-ceramic, offering a transparent appearance with exceptional durability. Like the Platinum F, it supports fire ratings up to 90 minutes in windows and up to 180 minutes in doors.

Safety Features

  • Laminated floated glass-ceramic; impact safety-rated: meets ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and/or II)
  • Fire-rated for up to 90 minutes with required hose-stream test
  • Fire-rated for up to 180 minutes in doors with required hose-stream test
  • Withstands thermal shock
  • Passes positive pressure test standard UL 10C

Where Can It Be Used?

  • Can be used to construct insulated glazing units
  • Can be lightly sandblasted or modified with surface-applied decorative or opacity films without affecting fire rating or UL listing

Fire-Rated Glass Specifications at a Glance

SpecificationDetails
Glass TypesPYRAN® PLATINUM, PYRAN® PLATINUM F, PYRAN® PLATINUM L
Fire Rating20–90 Min. / 20–180 Min.
Glass Thickness3/16″, 5/16″
CustomizationCan be lightly sandblasted or fitted with surface-applied films
Impact Safety RatingMeets ANSI Z97.1 and CPSC 16CFR1201 (Cat. I and/or II)
ApplicationsInternal and external use — doors, windows, partitions, facades

Benefits of Fire-Protective Glazing

Fire-protective glazing goes far beyond simply slowing down flames. Here’s a closer look at why architects, builders, and property owners across the country trust Bear Glass for their fire-rated glass glazing needs:

  • Fire Resistance: Withstands high temperatures and prevents the spread of flames and hot gases, containing a fire event within defined zones.
  • Smoke Containment: Limits the passage of smoke, significantly reducing visibility hazards and toxic gas exposure during an emergency.
  • Thermal Insulation: Minimizes heat transfer, protecting adjacent areas from dangerous radiant heat buildup.
  • Impact Resistance: Many fire-protective glazing solutions also offer robust impact resistance, enhancing overall safety against both fire and physical hazards.
  • Natural Light Preservation: Unlike solid fire walls, fire-rated glass maintains visibility and allows natural daylight — making buildings safer without compromising aesthetics.
  • Code Compliance: Helps properties meet local, state, and national building codes and fire safety regulations with certified, tested products.

Where Is Fire-Rated Glass Used?

Bear Glass fire-rated glass can be integrated into a wide range of architectural applications, both in new construction and renovation projects. Here are some of the most common use cases:

  • Doors and Windows: Installed in fire-rated doors and windows to maintain compartmentalization and prevent fire from spreading between zones.
  • Partitions and Walls: Used in interior partitions and walls to create fire-resistant barriers without blocking light or sightlines.
  • Facades and Atriums: Incorporated into building facades and open atriums for a combination of modern aesthetics and essential safety performance.
  • Stairwells and Corridors: Essential in escape routes and emergency corridors to ensure clear, safe evacuation paths during a fire event.
  • Hospitals and Schools: Critical in high-occupancy buildings where compliance and occupant safety are non-negotiable priorities.

How to Choose the Right Fire-Rated Glass

Selecting the right fire-rated glass involves more than just picking a product off the shelf. Here’s what you should always verify before making your decision:

  1. Match the fire rating to the application. A door may require up to 180 minutes of protection, while a transom window may only need 20–90 minutes.
  2. Check for impact safety ratings. In high-traffic or safety-rated locations, choose products that also meet ANSI Z97.1 and CPSC 16CFR1201 standards.
  3. Verify certifications. Always look for glazing products certified by recognized testing standards, such as UL 10C for positive pressure performance.
  4. Consult with experts. Not all glazing products are equal — Bear Glass experts can help you determine the right product for your specific building classification, code requirements, and design goals.
  5. Plan for maintenance. Fire-rated glass is durable, but regular inspection and upkeep are essential to ensure long-term performance. Check for cracks, film integrity, and frame compatibility periodically.

What is the difference between fire-rated glass and regular glass?

Regular glass shatters or melts when exposed to heat, compromising the safety of a building. Fire-rated glass is specifically engineered to maintain its integrity for a defined duration — whether 20, 60, 90, or 180 minutes — under direct fire exposure.

Can fire-rated glass be customized?

Yes. Bear Glass’s fire-rated products can be lightly sandblasted or fitted with surface-applied opacity or decorative films without affecting their fire rating or UL listing. Custom sizes and shapes are also available to suit project-specific requirements.

Why Choose Bear Glass for Fire-Rated Glass?

Bear Glass has been a trusted name in the glass industry, serving customers across New York and the broader United States. Here’s what sets us apart:

  • Extensive Product Range: From PYRAN® Platinum to Platinum F and Platinum L, we carry fire-rated glass suited for virtually every application.
  • Expert Guidance: Our team of specialists will help you navigate fire ratings, building codes, and product certifications to find the best fit for your project.
  • Internal and External Applications: Our products perform in both exterior and interior glazing scenarios, giving architects and builders maximum design flexibility.
  • Certified and Compliant Products: All our fire-rated glass products meet rigorous national testing standards and carry recognized certifications.
  • Two Convenient Locations: Serving customers from our Queens Village, NY and Tinton Falls, NJ facilities.

Request a Free Quote Today

Ready to enhance the fire safety of your building without sacrificing design? Bear Glass is here to help. Contact our team today to discuss your fire-rated glass requirements and receive a no-obligation quote tailored to your project.

📍 Queens Village, NY: 217-44 98th Ave, Queens Village, NY 11429 | +1 (718) 832-3604

📍 Tinton Falls, NJ: 359 Essex Road, Tinton Falls, NJ 07753 | +1 (732) 901-2626

📧 Email: sales@bearglass.com

Bear Glass Inc. — Delivering premium fire-rated glass solutions across the United States. Visit us at bearglass.com | Follow us on Facebook, Instagram, and X (Twitter).

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