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Do they make 1 2 fire rated drywall?

Fire rated drywall comes with more proofing including fiberglass and other additives which increase its ability to withstand fire longer than regular drywall. A standard 1/2′ drywall 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 is the fire rating of 1/2 Type C drywall?





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.

Are all 5/8 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 is the fire rating of 3/4 drywall?

two-hour fire

USG Sheetrock® Brand Ultracode® Core Gypsum Panels can achieve a two-hour fire rating with single-layer construction when used with mineral wool insulation in steel framed walls.

Do you need special drywall around a gas fireplace?





We talked to the experts, and this is what we discovered. It would be best if you did not use regular drywall around a fireplace as it is considered to be highly flammable. Instead, it would be best to surround the fireplace area with non-combustible materials such as stone, tile, marble, or metal.

What kind of drywall do you use around a fireplace?

Drywall + Fireplace = House Fire

Unfortunately, this is highly flammable and is not an appropriate or safe fireplace surround. The sheetrock had to be removed and replaced with any type of non-combustible surround – stone, tile, marble, or metal.

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 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.

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.

How do you increase the fire rating of a wall?

Intumescent coating products such as intumescent paint are an option to be considered for enhancing a structure’s fire rating, as the products are recognized by IBC as valid for protection against heat and fire and can often provide a cheaper and more aesthetical solution compared to gypsum and foundation-to-roof …

How do you Fireproof an existing wall?



Exterior Materials

One of the most effective ways to add fire resistance to the exterior surface of a wall is to replace relatively flammable exterior wall treatments, such as vinyl or wood siding, with fire-resistant materials, such as brick, concrete or stucco.

Does ceiling 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.

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.

Is there fire-resistant drywall?



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.

Do garage walls need to be fire rated?

All garage walls supporting trusses that are common to both the house and garage must be protected as a fire wall with 1 layer of 5/8” type X sheet rock applied to the garage side of the wall.

Can I use regular drywall in my garage?

Standard drywall panels contain compressed particles of gypsum covered with thick paper. That’s fine in your home, but unless you’re finishing your garage as a living space, complete with insulation and a heat and air system, moisture-resistant drywall is preferable.

Is drywall required on garage ceiling?

Let’s take them one at a time: WALLS AND CEILING – The wall between an attached garage and the house living area is required to be minimum 1/2” drywall. Most garages have a ceiling secured to the bottom chord of the roof trusses or rafters, and that has to be 1/2” drywall also.