Fire-rated glass and framing products from Technical Glass Products (TGP)

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School Design

BEYOND IMPACT SAFETY

If, due to the International Building Code (IBC), I’m no longer using traditional wired glass in hazardous areas, what products are available?

There are two primary categories of alternatives to wired glass: “fire-protective” glazing and “fire-resistive” glazing. Let’s start with fire-protective glazing, the original type of fire-rated glazing.

Fire-protective glazing

Fire-protective glazing defends against the spread of flames and smoke for its designated fire rating period. Depending on the product, it is available with fire ratings from 20 to 90 minutes (up to 3 hours in small door lites), up to Category II impact requirements and in large sizes.

Today, there are several fire-protective glazing products with or without wires that make outstanding alternatives to traditional wired glass. Material options include advanced wired glass with a surface-applied film or fire-rated glass ceramics. They fit in standard fire-rated frames and provide exceptional surface clarity for enhanced visibility between interior spaces.

Since many fire-protective glazing products can be cut and labeled locally throughout North America, availability is nearly immediate.

Fire-resistive glazing

Fire-resistive glazing adds an extra line of defense by also limiting the transfer of heat through the glass. This safeguard makes it suitable for use in walls, doors and other fire-rated assemblies designated to block the passage of excessive heat, hot gases or flames. Many fire-resistive glazing products also meet the Category II impact requirements.

Because fire-resistive glazing is tested to the same standards as solid barrier walls, it is not limited to 25 percent of the opening (as is fire-protective glass). This allows for virtually unlimited expanses of glass and eliminates the need for opaque materials such as masonry or gypsum in areas that require fire-rated walls.

Fire-resistive glass products are generally multi-laminates incorporating many layers of glass with fire-resistive interlayers. Numerous compatible fire-resistive-rated framing options are available, including those with a slender profile and sleek aesthetic.



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