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www.reference.com/article/one-hour-fire-rated-walls-fca0120aa76b5ad0

One-hour fire-rated wall boards include Sheetrock Brand Ultralight FirecodeX Gypsum panels, Durock Brand Cement Board Next Gen, and Sheetrock Brand Firecode Core - Type X. Wall board assemblies consist of wood, steel or concrete block framing, insulation and gypsum wall...

www.reference.com/article/fire-glass-work-eceab65afc80bbd

Fire glass tolerates high temperatures without burning, melting, popping or changing color. Because of its reflective surfaces, it radiates heat more efficiently than wood and artificial logs, claims Woodland Direct.

www.reference.com/article/class-1-fire-rating-mean-310233e1a0e485f4

A Class 1, or Class A, fire rating means that the building material is highly resistant to fire and does not spread flames quickly. In the flame-spread rating test, a score of 0 to 25 constitutes a Class 1 rating. The score is relative and balanced between asbestos ceme...

www.reference.com/article/class-fire-rating-58faa84600215a8f

A class A fire is a fire involving ordinary combustible materials. These materials include cloth, wood, paper, rubber and many plastics. Fire extinguishers labeled with the letter A are designed for use on such fires.

www.reference.com/article/magnifying-glass-start-fire-d1d8340290188333

A magnifying glass starts a fire by localizing photons through the pin point area that is created by the convex shape of the lens. To work, sun rays must pass through a magnifying glass of the appropriate focal strength and rest on dry kindling or material that is easil...

www.reference.com/article/well-rated-glass-cutting-boards-b824ae4d6e15fef2

On Amazon.com, some of the best-rated glass cutting boards as of 2015 are the Surface Saver Tempered Glass Cutting Board 20-by-16-inch, the CounterArt Leaf Collage Glass Cutting Board 15-by-12-inch and the Catskill Craftsmen 16-inch Tempered Glass Cutting Board with Pad...

www.reference.com/article/fire-rating-drywall-c3d8c03c46f7d5b0

Fire-rated drywall, known as "one-hour drywall," can stand up to one hour of fire in laboratory conditions without combusting. Standard, or "half-hour drywall," can stand up to 30 minutes of fire under the same conditions.