Quick Answer: Is There Fire Rated Drywall?

How do you know if a wall is fire rated?

Open the door and look on the frame and the inside edge of the door next to the hinges.

A fire rated door has a metal tag listing the fire rating of the door assembly.

All openings through a fire rated wall MUST be sealed with a fire rated caulking (its red in color) so that no air (or flame) can pass through the wall..

How much does a 12 foot sheet of 5/8 drywall weight?

Standard Drywall Boards 5/8 inch thick weigh 73.6, 92 or 110.4 pounds per eight, 10 or 12 feet. Quarter-inch board, only manufactured in lengths of eight of 10 feet, weighs 38.4 or 48 pounds, respectively.

How long should screws be for 5/8 drywall?

When working with 5/8-inch drywall panels, use 1-3/8-inch or 1-5/8-inch screws. In most cases, securing drywall will require fewer screws than nails.

How do you get a 2 hour fire rated wall?

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.

How much does fire rated 5/8 drywall weight?

70 poundsThe Weight of a Sheet of Drywall A 5/8″ sheet of drywall, which is used to achieve fire ratings, typically weighs a little over 70 pounds. Also, depending on their dimensions, special types of drywall including moisture resistant products are often even heavier.

Is drywall fire rated?

Drywall is relatively fire resistant. It’s composed of gypsum pressed between two sheets of thick paper. Gypsum is a soft mineral that by itself is not flammable. … In the presence of fire, heat energy vaporizes the water, removing it gradually.

What is the fire rating of type C drywall?

Surface Burning Characteristics: 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).

What is a 2 hour fire rated wall?

Gypsum Board: Two (2) hour rated walls have two (2) layers of 5/8″ Type ‘X’ gypsum wallboard panels on each side of the steel studs. The “Fire Tape” product would be used as an alternative to conventional joint tape in specific systems when: 3.

Do I need fire resistant drywall?

In residences, fire-rated drywall is typically required by building codes to be installed in a few of these places: Near furnace and utility rooms. Places where a wood stove is used. Garages and especially the garage walls that separate that area from the main house.

How thick is a 2 hour fire rated wall?

3 1/5 inchesThe fire-resistance rating of concrete masonry walls depends on the type of aggregate used in the units. A 2-hour rating can be achieved by a wall with an equivalent thickness of as little as 3 1/5 inches when expanded slag or pumice is used or 4 1/2 inches when siliceous gravel is used as the aggregate.

Can you use 1/2 inch drywall ceiling?

1/2-inch: Half-inch drywall panels are the standard thickness for interior walls, as well as ceilings. 5/8-inch: These panels are commonly used for ceilings, or for walls that require a prescribed fire-resistant rating.

What is the fire rating of 5/8 drywall?

1 hourNorm Abram replies: 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 ½-inch drywall. And it’s not just thickness that makes the difference.

What makes a 1 hour fire rated wall?

According to the book “Commercial Drafting and Detailing,” a typical one-hour fire rated wall consists of 2×4 studs spaced 16 inches from the center of one stud to the center of the next, covered by 5/8-inch, type X gypsum board. Type X gypsum board is wallboard to which non-combustible fibers have been added.

Is there a difference between sheetrock and drywall?

Put a bit differently: Drywall and sheetrock are really the same thing. Drywall is a panel made of gypsum plaster pressed between two thick sheets of paper. Sheetrock is a brand of drywall patented by the US Gypsum Company.