What is Type X in drywall?
Type X drywall has special core additives that allow it to be used in fire rated designs and usually comes in 5/8” thickness. Type X drywall products will have a UL/ULC Marking printed on the back of each board identifying it as a fire-resistance rated board.
Is Type X drywall more expensive?
But because Type X is slightly more expensive-about 75 cents more per sheet—it’s rarely used in residential construction except where the building code requires it—on walls separating an attached garage from the house, and around the boiler in multiple-family dwellings.
What is the difference between Type X and Type C drywall?
To help reduce the extent and severity of fire damage, Type X drywall was developed with glass fibers made to reinforce the gypsum core. Type C is designed with a higher percentage of glass fibers than Type X, allowing it to be more resistant under fire conditions.
How much does Type X drywall cost?
Fire-resistant drywall costs $20 to $30 per panel. This product, sometimes called Type X, comes in thicker sheets. It may also have additional components like glass inside the board to slow burning.
What kind of drywall do you use in a garage?
For the majority of your garage, you can use standard 1/2 inch drywall. For the ceiling and wall abutting the house (if this is an attached garage), you should use 5/8-inch sheetrock or type X fire-rated drywall.
What is code for drywall in a garage?
R302. 6 Dwelling/garage fire separation: The wall between a house and garage must be separated by 1/2″ drywall. This also applies to structural members, and this extends to the attic in a common-sense type of way; the garage needs to be separated from the house.
What type of drywall is used in commercial buildings?
The thickest option available, 5/8-inch drywall is ideal for commercial construction applications. 5/8-inch thick drywall is also referred to as firewall drywall. Its thickness makes it the ideal drywall for soundproofing in noisy buildings. 5/8-inch drywall can be used on walls, and will not sag when used on ceilings.
How much does 1 hour of drywall fire rating cost?
Type X fire rated gypsum drywall that is 5/8 -inch (15.9mm) thick and installed on each side of nominal 2-inch x 4-inch (38x89mm) wood studs spaced 16-inch (400mm) o.c. or 3-5/8 inch (610 mm) steel studs spaced 24” o.c. has a minimum fire rating for the assembly of 1 hour, which is a typical requirement for many …
What is purple drywall?
National Gypsum has developed Purple drywall that is moisture, mold, and mildew resistant. This means less water and mold damage in homes keeping construction debris from landfills. In addition, within the line of Purple drywall products, are sheets that stand up to abuse and impact.
Do I need mold resistant drywall in garage?
Do I need mold resistant drywall in my garage? Moisture resistant drywall is always preferable in garages. While standard or traditional types of drywall is good to be used inside the home since it is thick enough, your garage will require something that is more water-resistant and that is mold-resistant drywall.
Can you drywall an unheated garage?
Short answer is yes, you can drywall an unheated garage. The problem won’t come from the heat but the humidity, which causes moisture, which causes rot and mold. Even though unheated, ventilation and a dehumidifier may be necessary depending on where you live.