Quick Answer: What Is Type C Sheetrock?

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..

Should drywall touch the floor?

Always leave a 1/2-inch gap at the floor. This allows for floor and wall expansion without cracking the drywall. It also helps prevents moisture wicking if the floor floods.

Should I sheetrock the ceiling or walls first?

Hang drywall on the ceiling first, then the walls. Check the ceiling for bowed joists using a 4-ft. level. Irregularities less than 1/8 in.

What is the actual thickness of 1/2 inch drywall?

Actually… standard door jambs come in 4-9/16″ for 1/2″ drywall. And that doesn’t always work perfect as some 2×4 stock is 3-5/8″, plus figure that the drywall is not always dead tight, and the fact that drywall has to finished with mud, which can vary in thickness.

What is a 2 hour 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.

Why is gypsum used for drywall?

Gypsum drywall is an effective building material because gypsum is very fire-resistant. The gypsum molecule contains within it two water molecules and one calcium sulfate. … Because gypsum plaster dries so much faster than lime plaster, it is much less likely to become damaged in the process of setting up.

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.

What is the best sheetrock for bathrooms?

Moisture-resistant board options include American Gypsum (M-Bloc), National Gypsum (XP) and GP Green Board. Cement board such as PermaBase should be used instead of gypsum board in high-moisture areas like tub and shower surrounds.

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.

Should sheetrock be hung vertically or horizontally?

On commercial jobs, fire codes often require seams to fall on the entire length of the framing, so the drywall must be hung vertically. However, on residential jobs, the drywall on the walls is typically hung horizontally. For walls nine feet high or shorter, hanging the drywall horizontally has a number of benefits.

What is Firecode C drywall?

ceiling applications (15.9 mm) thicknesses, USG Sheetrock® Brand Firecode® C Panels (UL Type C) are enhanced proprietary Type X panels that feature a noncombustible gypsum core that is encased in 100% recycled face and back papers that form a high strength composite design.

What is the difference between standard and lightweight drywall?

The main difference between ultralight and standard drywall is, obviously, the weight. A conventional 1/2-inch thick sheet of drywall measuring 4 x 8 feet weighs around 57 pounds. According to drywall maker USG, a 4 x 8-foot sheet of Sheetrock brand UltraLight Panel weighs 13 pounds less, for a total of 44 pounds.

Can Type C Drywall be used on walls?

FIREBLOC Type C wallboard is used as a covering material for interior walls and ceilings in residential and commercial applications that often require specific fire rated assemblies. It is designed for direct attachment by screws and or nails to wood or metal framing.

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 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 can I use instead of Sheetrock?

Drywall AlternativesWood Planks. Worst Room’s Latest Videos. … Veneer Plaster. Veneer plaster might be the alternative that comes closest to traditional drywall. … Lath & Plaster. … Plywood and Sheet Wood. … Texture Wall Panels. … Brick & Masonry. … Exposed Concrete Block. … Cement Board.More items…•

What is a 1 hour 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.

Will Home Depot cut sheetrock for you?

Yes, they will cut it for you and help you load it into your vehicle. … You do need to realize that Home Depot will not take responsibility for accurate cutting or any breakage in the sheetrock, so you may need to buy an extra sheet to allow for damage in transit or whatever else might happen.

What kind of drywall do you use for a bathroom ceiling?

Conventional drywall is commonly used for ceilings in non-shower/tub areas of bathrooms, although some builders prefer to use moisture-resistant drywall — a.k.a. greenboard — instead. Moisture-resistant drywall is similar to standard drywall but has face paper that’s treated for extra resistance to mold and moisture.

What is a 3 hour fire wall?

The 3-hour Area Separation Wall System is a 3-hour fire wall consisting of two layers of 1 in. … The steel H-Studs are attached to adjacent framing on each side with heat-softenable, aluminum break-away clips (ASW clips) that allow for collapse of the fire-exposed unit without collapse of the Area Separation Wall.

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.