What is Type X drywall?

What is Type X 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.

What is the difference between Type X and Type C drywall?

Type C drywall is known as the more durable version of Type X—there are more glass fibers in this product as well as more vermiculite components, giving it a fire resistance of 2-4 hours. You can find this product at your local drywall and insulation store in 1/2” and 5/8” thickness.

Where is Type X drywall required?

Fire rated Type X Shaftliner is 1” (25.4 mm) thick and used in special Shaftwall and Area Separation Firewall assemblies. In residential homes, installation of fire rated drywall is often required by state/province and local building codes on interior and exterior walls near furnaces and utility rooms.

What is Type C drywall used for?

Type C is an industry phrase to designate enhanced gypsum panels that exceed the requirements for Type X gypsum board in ASTM C1396. Type C panels typically have a shrinkage-compensating additive, and when exposed to heat, the Type C gypsum board expands providing more fire-resistance at joints and seams.

What is the best drywall to use in a garage?

The most commonly used drywall for garages are standard ½ inch panels. The exception is ceilings that need ⅝ panels. Also, for attached garages, you’ll need to use ⅝ panels or type X rated drywall on the wall that connects the house to the garage.

Is drywall considered a firewall?

A firewall is a simple structure to implement consisting of a layer of drywall. While different building code requirements allow for ½ inch drywall in the building of a firewall. The preferred standard for firewalls involves using a Type X drywall.

What type of drywall is used for showers?

We recommend using cement board drywall in tile-covered wet applications, such as showers and bathtubs. So, you would first install the cement board to provide a base for the tile.

What are the characteristics of Type X drywall?

Main characteristics of type X drywall Type X drywall is 5/8 inches thick and the first fire code product. It contains gypsum with noncombustible glass fibers, which increase the fire rating 1 hour minimum.

Is type X drywall a fire hazard?

Also, just because an area is covered in Type X drywall does not ensure fire safety for that area, since fire can still find other pathways, such as vents, doors, gaps, cracks, and unblocked stud wall assemblies.

Is 1/2 inch drywall fire rated?

Most Type X drywall has a one-hour fire rating. The fire rating for the 1/2-inch drywall used throughout the rest of the home is 30 minutes. As added benefits, Type X absorbs sound slightly better and is slightly stronger than conventional 3/8-inch or 1/2-inch drywall. Type X drywall is by no means 100 percent fireproof.

What are the characteristics of Type C drywall?

Main characteristics of type C drywall Type C drywall is the improved version of the x type. This fire-rated drywall type is available in 1/2” and 5/8” thicknesses and its gypsum core still consists of glass fibers.