Is Type X drywall fire rated?
Matthew Shields
Updated on April 05, 2026
Is Type X drywall fire rated?
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 the difference between Type X drywall and regular drywall?
What is the difference between regular and Type X gypsum board? Regular drywall has naturally occurring fire resistance due to the presence of gypsum in the core but is not fire rated. Type X drywall has special core additives that allow it to be used in fire rated designs and usually comes in 5/8” thickness.
How thick is fire code drywall?
5/8 in.
Sheetrock® Brand Firecode® X Gypsum Panels Thickness: 5/8 in.
What is Firecode X drywall?
Sheetrock® Brand Firecode® X Panels (UL Type SCX) are 5/8 in. (15.9 mm) Type X gypsum panels that feature a noncombustible gypsum core that is encased in 100% recycled face and back papers that form a high strength composite design.
How much does a 12 foot sheet of 5/8 drywall weight?
Using lbs/ft2 calculations for 48” wide sheets
| Lbs/ft2 | 12 ft long | |
|---|---|---|
| 1/2” Standard | 1.6 | 76.8 |
| 5/8” Standard | 2.2 | 105.6 |
| 1/2” Lightweight | 1.25 | 70 |
| 5/8” Lightweight | 1.65 | 92.4 |
What’s the difference between regular drywall and Type X?
Regular drywall has naturally occurring fire resistance due to the presence of gypsum in the core but is not fire rated. Type X drywall has special core additives that allow it to be used in fire rated designs and usually comes in 5/8” thickness.
What kind of fire rated drywall do you need?
The most common fire rated drywall is referred to as type X. It is 5/8 inches thick and is installed on each side of 2 by 4 inch wood studs spaced 16 inches. In the case of steel the studs are 3.5 by 8 inches and spaced at 24”o.c. Type X drywall has a minimum fire rating of one hour which is the requirement for many building codes.
What kind of drywall does a Building Code require?
When you are installing drywall, often building code dictates certain types of drywall that must be used. One type of drywall that shows up in building codes is what is commonly called fireproof drywall. More accurately, its true name is Type X drywall or fire-rated drywall.
Is there a 5 / 8 ” lightweight drywall?
In 2012 USG also announced that they would also start making a 5/8” lightweight drywall that would no longer have the fire rating most commonly associated with the thicker option. Since then, all major gyp manufacturers have developed a lightweight version of 5/8” drywall.
Do I need fire-rated drywall?
When the firewall has been compromised , you need fire-rated drywall, drywall compound and firewall caulking to make the repairs. The drywall must extend over the entire wall between the house and the garage, covering every inch of space from the floor to the ceiling or roof.
What is fire rated drywall?
Fire rated drywall is typically found on attached garage walls and ceilings that are adjacent to the main living area of the home. For commercial buildings, fire rated gypsum drywall is specified for most of the building walls and ceilings to meet building code requirements for fire partitions and assemblies.
What is the fire rating of sheet metal?
Re: Sheet Metal Fire Rating. Fire ratings are based on an assembly. One sheet of 5/8″. Type X sheetrock has no fire rating. But when it is used (one) on each side of a properly framed wall, it can become a fire rated wall.
What is the fire rating of gypsum board?
CertainTeed Type X Gypsum Board has a Flame Spread rating of 15 and Smoke Developed rating of 0, in accordance with ASTM E 84, (UL 723, UBC 8-1, NFPA 255, CAN/ULC-S102). Applicable Standards: meets ASTM C1396.
