Question: Where Is Fire Rated Drywall Used?

Is all drywall fire rated?

Let’s point out one main thing: due to the water composition in gypsum, all drywall types retard the spread of fire to a degree.

But type X and type C drywall are both specifically designed to resist fire and thus increase safety..

What’s the fire rating on 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.

Do I need fire door between garage and house?

1, a fire-rated door or its equivalent is required. … Other openings between the garage and residence shall be equipped with solid wood doors not less than 13/8 inches in thickness, solid or honeycomb-core steel doors not less than 13/8 inches thick, or 20-minute fire-rated doors, equipped with a self-closing device.

Where is fire rated drywall required?

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 1/2 drywall?

30 minutesMost 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.

Will drywall burn fire?

Drywall is highly fire resistant due to the presence of water in the gypsum, which evaporates and thereby actively lowers the temperature of the surrounding material. While the paper covering will burn readily, the gypsum core of the drywall will remain mostly intact.

How thick is a 1 hour fire 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.

What is code for drywall in a garage?

The IRC code requires 1/2″ rock on the garage side of the garage walls and any supporting structure (steel posts, stud walls, etc). If there is habitable space above the garage then 5/8″ is required on the ceiling and any horizontal members such as steel beams.

How much does a sheet of 5/8 drywall cost?

Drywall prices range from $12 to $90 per panel, depending on the size, thickness and added features. Most products run 4′ x 8′ and 1/2″ thick….Drywall Price Chart.Type4′ x 8’4′ x 12’5/8″$14 – $20$18 – $273/4″$20 – $30$25 – $35Green Board$14 – $18$18 – $24Blue Board$12 – $15$15 – $202 more rows

How much does fire rated drywall cost?

Fire-resistant Drywall Prices $0.34 to $0.42 per square foot.

Do I have to use fire rated drywall tape in attached garage?

There is a requirement for fire separation between the garage and the living space — typically 5/8 drywall. But there’s actually no requirement that the drywall be taped.

What makes 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.

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

Using lbs/ft3 calculations for 48” wide sheetsLbs/ft38 ft long12 ft long1/4” Standard38.4323/8” Standard38.4481/2” Standard38.4645/8” Standard38.4802 more rows

Is drywall fire resistant?

Although all drywall is fire resistant to a degree, type-X and type-C drywall are designed specifically to be used in fire-rated assemblies. These products help to contain fire in the area of its origin much better than regular drywall.

How thick is a 2-hour fire rated wall?

3 1/5 inchesA 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. For cored units, the equivalent wall thickness is calculated by multiplying the percent solid by the wall thickness.

What makes a wall fire rated?

Fire walls are the most restrictive fire resistance-rated assembly, and create separate buildings for determining allowable area. Unlike partitions or barriers, fire walls must be vertical, and have a 2-hour minimum/4-hour maximum rating.

Do garages need drywall?

You do not need 5/8″ drywall for the garage walls. In the US, you need it between the garage and living space, but not on the exterior walls. I also recommend thinking about adding some outlets before you close the walls up – so much easier than doing it later.

Is sheetrock the same as drywall?

Drywall is a flat panel made of gypsum plaster sandwiched in between two sheets of thick paper. It adheres to metal or wood studs using nails or screws. Sheetrock is a specific brand of drywall sheet. These terms are often used interchangeably.