And it s not just thickness.
Fire resistant drywall around fireplace.
The drywall on both fireplaces went right up to the edge with tile surround.
Steve miller sylvan lake mi.
Finally the gypsum and fiberglass are packed tighter and denser than with regular drywall.
Instead it was designed to be a subfloor or backing material for another material installed on top of it.
In addition to the usual gypsum found in regular drywall fire rated drywall contains glass fibers to form a super tough core.
Drywall typically comes in 1 4 inch 3 8 inch and 1 2 inch thicknesses.
Other than code distances for your studs i would think the drywall is fine.
Get free shipping on qualified fire resistant drywall sheets or buy online pick up in store today in the building materials department.
Type x drywall is 5 8 inches thick.
My new zero clearance has framing within inches of the box and drywall will go right over the studs.
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.
Hardiebacker board is not designed to take the place of stone drywall or other materials used near or on your fireplace.
In order to properly protect the fireplace against heat you will now need to place a heat resistant caulking around the fireback.
Around a fireplace you can use hardiebacker board to prepare an area for tile installation either stone or ceramic.
This will help to prevent the heat from traveling through other parts of the fireplace and keep the fireback in the right place.