How do you make a 2-hour fire rated wall?
Use steel studs and two layers of 1/2-inch Type C drywall on each side of the studs for a two-hour fire rating on an interior wall. Mount a 1 1/2-inch fiberglass barrier inside the studs. Use special fiberglass rated for use in firewalls.
How many layers of gypsum are needed for a 2-hour rating?
As 2 hours of fire protection has become the standard for fire safety in America, it has become somewhat of a standard practice to include two layers of type X drywall within a building’s perimeter in order to achieve this required level of fire safety.
How thick is a fire rated wall?
5/8-inch
When should you use 5/8 drywall?
5/8-Inch-Thick Drywall These panels are commonly used for ceilings or for walls that require a prescribed fire-resistant rating. When installed on ceilings, 5/8-inch-thick panels are less susceptible to sagging between the joists than 1/2-inch panels.
Do you need 5/8 drywall in garage?
6 Dwelling/garage fire separation: The wall between a house and garage must be separated by 1/2″ drywall. If there are habitable rooms above the garage, 5/8″ type X (fire-rated) drywall must be used at the ceiling.
Where is fire rated drywall used?
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.
How much does fire-rated drywall cost?
Fire-resistant Drywall Prices $0.34 to $0.42 per square foot.
How heavy is fire-rated drywall?
Specifications
| Buy In Bulk | 0 |
|---|---|
| Actual Width (ft) | 4.00 |
| Weight (lb) | 109.00 |
| Common Measurement (W X L) | 4-ft x 8-ft |
| Common Thickness In Inches | 5/8-in |
What is fire code for drywall?
Q: What fire-rated materials are used in multi-unit dwellings? A: Drywall Type X and Type C are the industry standards for this type of construction and are used on all exterior-facing and joining walls. Interior walls are traditionally non-fire-rated ½” drywall.
Does drywall catch on fire?
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. Additionally, water is incorporated into its structure.
Is all 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.
Is fire resistant drywall waterproof?
Applications for Fire-Resistant Drywall The mineral matrix of gypsum naturally retains water, even when it appears dry. Although gypsum boards are inherently fire resistant to some degree, those products with fire ratings are designed to perform even better than regular drywall.
At what temperature will Drywall ignite?
Drywall is gypsum sandwiched between paper. Paper ignites at 451 degrees Fahrenheit. The moisture in the gypsum can be evaporated but it would take extreme temperatures to combust the gypsum. Extensive studies show that permanent temperature damage to gypsum occurs only when temperatures exceed 176°F.
Does garage need drywall?
Drywalling Your Garage Is a Great Project For those that spend a lot of time in the garage or have some of their most valuable belongings in there, putting up drywall in your garage is definitely worth while. It adds protection, appeal and longevity to your garage as a whole.
What can I use instead of drywall in garage?
Alternatives to Drywall for Garage Walls
- Sturdy Wood Sheathing. Wood sheathing, such as plywood or oriented strandboard (OSB), represents a simple yet economical finish option for garage walls.
- Stylish Metal Panels.
- Low-Maintenance Plastic.
- Practical Storage Panels.
- Solid Cement Board.
- Consider Fire Codes First.
Can you drywall a garage without insulation?
Can you drywall a garage with no insulation? Yes, but it will only be for cosmetic effect. The drywall itself does very little to stop air-flow. Unless you live somewhere that is a constant (and comfortable) temperature year-round, I highly recommend adding insulation before you decide to drywall your garage.