Fire Rated Fire Resistant Drywall

One hour fire rated install one 15mm gyproc fire rated rhinoboard either side of a 63mm drywall track.

Fire rated fire resistant drywall.

Get free shipping on qualified fire resistant drywall or buy online pick up in store today in the building materials department. Gypsum is a soft mineral that by itself is not flammable. Fire rated assemblies are tested and certified in their entirety. 1 hour and 2 hour fire rated drywall.

And it s not just thickness that makes the difference. It s composed of gypsum pressed between two sheets of thick paper. For a two hour fire rating we install two 15mm gyproc fire rated rhinoboards either side of a 63mm track. A certification process determines the fire rating of a wall system.

What is fire resistance rated construction. It is the wall system not specific products that are tested and certified. Fire rated gypsum drywall is more fire resistant because it contains glass fiber reinforcement and other additives within its specially formulated gypsum core to help it hold up longer to a fire exposure. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

The thickness of this drywall is 5 8 inch including all layers. Type c fire rated drywall has more glass fiber reinforcement additives to its gypsum core making it an even more fire resistant material than type x. Fire rated type x drywall basics fireproof drywall is the pejorative term. For example a fire rated drywall board is approved for use as part of a certified wall system.

How are walls fire rated. Its industry name is type x drywall. We can install one and two hour fire rated systems. Drywall supply offers type c and type x fire rated drywall.

When gypsum drywall is exposed to fire the water is slowly released as steam effectively retarding heat transmission. Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department. Have a look at this example of a fire rated certificate. Gypsum is approximately 21 percent by weight chemically combined water which greatly contributes to its effectiveness as a fire resistive barrier.

The 5 8 inch fire code drywall called type x increases a wall s fire rating to a minimum of 1 hour from the 30 minute rating for standard inch drywall. Type x has a denser core and contains glass fibers that keep it from crumbling in the heat. To confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. Glass fibers are added to the board to help it retard fire.

Drywall is relatively fireproof but manufacturing processes such as adding glass fibers can increase the resistance. Drywall is relatively fire resistant.