Fire Rated Fire Resistant Drywall

Type x fire rated drywall provides a minimum fire rating of one hour the typical requirement of building codes.

Fire rated fire resistant drywall.

1 hour and 2 hour fire rated drywall. Get free shipping on qualified fire resistant drywall or buy online pick up in store today in the building materials department. When gypsum drywall is exposed to fire the water is slowly released as steam effectively retarding heat transmission. A basic wall system could include a drywall board insulation light gauge steel stud followed by another drywall board.

What is fire resistance rated construction. It is the wall system not specific products that are tested and certified. Fire rated type x drywall basics fireproof drywall is the pejorative term. To confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies.

Drywall is relatively fireproof but manufacturing processes such as adding glass fibers can increase the resistance. For example a fire rated drywall board is approved for use as part of a certified wall system. Glass fibers are added to the board to help it retard fire. Have a look at this example of a fire rated certificate.

Drywall supply offers type c and type x fire rated drywall. Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department. And it s not just thickness that makes the difference. How are walls fire rated.

The thickness of this drywall is 5 8 inch including all layers. Drywall is relatively fire resistant. 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. A certification process determines the fire rating of a wall system.

Type x has a denser core and contains glass fibers that keep it from crumbling in the heat. It s composed of gypsum pressed between two sheets of thick paper. 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. One hour fire rated install one 15mm gyproc fire rated rhinoboard either side of a 63mm drywall track.

For a two hour fire rating we install two 15mm gyproc fire rated rhinoboards either side of a 63mm track. 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. Its industry name is type x drywall. Gypsum is approximately 21 percent by weight chemically combined water which greatly contributes to its effectiveness as a fire resistive barrier.

We can install one and two hour fire rated systems. Fire rated assemblies are tested and certified in their entirety.