What is a fire rated drywall?
Fire-rated gypsum board is a form of drywall that helps prevent the spread of flames across a home or business. Gypsum is approximately 21% chemically combined water, which greatly contributes to its effectiveness as a fire-resistive barrier.
Do they make 1 2 fire rated drywall?
A standard 1/2 type x drywall fire rating can offer up to half an hour of fire resistance. It is used in most common areas of the house because it has a lower cost.
What kind of drywall do you use around a fireplace?
Fire-rated Drywall Type X It slows down the passage of fire rather than stops passage completely.
Is purple drywall fire rated?
No. While all drywall is naturally fire-resistant, PURPLE drywall is unique because it also resists moisture, mold and mildew. Some PURPLE drywall products also stand up to scratches, scuffs, dents and sound.
What is the fire rating of 1/2 Type C drywall?
2-4 hoursType 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.
How many layers of drywall do I need for 1 hour fire rating?
Typically one layer of Type X drywall promises 45 minutes to one hour of fire protection for the building constructed with this type of material.
What is the fire rating on 5/8 drywall?
1 hourThe 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 ½-inch drywall. And it's not just thickness that makes the difference. Type X has a denser core and contains glass fibers that keep it from crumbling in the heat.
How do I get a 2 hour fire rating?
Double the number of Type X sheets on the wall for a simple system installed over fire-resistant fiberglass insulation; each sheet of 5/8-inch Type X drywall is rated to resist fire for one hour, so two layers will produce a two-hour firewall. Put two sheets together on one side or use one sheet on each side of a wall.