Is all 5/8-inch drywall fire rated?
Is all 5/8-inch drywall fire rated?
Regular drywall has naturally occurring fire resistance due to the presence of gypsum in the core but is not fire rated. Type X drywall has special core additives that allow it to be used in fire rated designs and usually comes in 5/8” thickness.
What thickness of drywall is fire rated?
5/8-inch
What Is Fire-Rated Type X Drywall? Fireproof drywall is the common term; its industry name is Type X drywall. The thickness of this drywall is 5/8-inch, including all layers. Glass fibers are added to the board to help it slow down the fire.
What is the fire rating of 5/8 Type C drywall?
2-4 hours
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.
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.
Do you need 5/8 drywall in garage?
The takeaway from IRC Code for Drywall in a Garage is that for an attached garage, play safe and use 5⁄8 -inch Type X gypsum board. For a detached garage, use drywall or an alternative to drywall, as a detached garage is not covered by any code for drywall in a garage.
How many layers of drywall do I need for a 2 hour rating?
two layers
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.
What is the difference between green sheetrock and PURPLE Sheetrock?
What’s the difference between PURPLE drywall and traditional green drywall? Traditional green drywall (also known as greenboard) is only moisture-resistant. PURPLE drywall, manufactured only by Gold Bond Building Products, is superior because it offers moisture, mold and mildew resistance.
Is green drywall fire rated?
Greenboard Is Not Fire Resistant There is a fire-resistant drywall product known as Type X that’s sold in 5/8″ sheets for use around fireplaces and other high-risk locations in the home.
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 code for drywall in garage?
Does garage drywall need to be fire rated?
A: First, fire-rated systems are only required if the garage shares a wall or a ceiling with the home. If you are doing repairs in the garage you should replace with like materials, but remember it is the wall system that is fire rated not the product itself.
What kind of drywall do you use for a fireplace?
Fire-rated Drywall Type X It slows down the passage of fire rather than stops passage completely. The drywall has a total thickness of 5/8 inches and is reinforced with glass fibers to help it retard fire.
How thick is a 3 hour fire rated wall?
(25 mm) thickness (measured perpendicular to the face of the wall) of ceramic fiber in the joint can be used in walls with fire resistance ratings up to 3 hours, while a 2 in. (51 mm) thickness can be used in the joints of a 4-hour wall.
What is blue board drywall used for?
Blue Board Drywall Blue board is used for veneer plastering, and the surface paper has special absorption qualities. It has a high water and mold resistance and there are fewer steps involved in veneer plastering. Blue board drywall is not made for mud, tape, or paint.
What side of PURPLE drywall do you cut?
When hanging PURPLE drywall, which side faces out? Always hang PURPLE drywall with the purple side out, or facing into the room. It decorates like standard drywall, which means the purple won’t be visible under white or lightly colored paint.
What constitutes an one hour fire rated wall?
What constitutes a 1 hour fire wall? According to the Engineered Wood Association, a one-hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures, and support its full load, for at least one hour after the fire begins.
Do I need fire-rated drywall?
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. Fire rated drywall can also be installed in a basement or other places where a wood stove might be used. Click to see full answer
What is the fire rating of drywall?
The most common fire rated drywall is referred to as type X. It is 5/8 inches thick and is installed on each side of 2 by 4 inch wood studs spaced 16 inches. In the case of steel the studs are 3.5 by 8 inches and spaced at 24”o.c. Type X drywall has a minimum fire rating of one hour which is the requirement for many building codes.
Is all sheetrock fire rated?
Is all Sheetrock fire rated? Fireproof drywall is the pejorative term; its industry name is Type X drywall. The thickness of this drywall is 5/8-inch, including all layers. Glass fibers are added to the board to help it retard fire. Most Type X drywall has a one-hour fire rating. Rest of the in-depth answer is here.
