Fire Rated Fire Resistant Drywall

To confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies.

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

Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department. Fire rated type x drywall basics fireproof drywall is the pejorative term. A basic wall system could include a drywall board insulation light gauge steel stud followed by another drywall board. 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. Its industry name is type x drywall. For a two hour fire rating we install two 15mm gyproc fire rated rhinoboards either side of a 63mm track. Type x has a denser core and contains glass fibers that keep it from crumbling in the heat.

Gypsum is approximately 21 percent by weight chemically combined water which greatly contributes to its effectiveness as a fire resistive barrier. And it s not just thickness that makes the difference. 1 hour and 2 hour fire rated drywall. Have a look at this example of a fire rated certificate.

Fire rated assemblies are tested and certified in their entirety. What is fire resistance rated construction. It s composed of gypsum pressed between two sheets of thick paper. Drywall supply offers type c and type x fire rated drywall.

Type x fire rated drywall provides a minimum fire rating of one hour the typical requirement of building codes. 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. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. A certification process determines the fire rating of a wall system.

When gypsum drywall is exposed to fire the water is slowly released as steam effectively retarding heat transmission. How are walls fire rated. Gypsum is a soft mineral that by itself is not flammable. Drywall is relatively fireproof but manufacturing processes such as adding glass fibers can increase the resistance.

Drywall is relatively fire resistant. 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.