Quick Answer: What Is The Difference Between Lightweight Drywall And Regular Drywall?

What is Firecode drywall?

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.

Also, because it is denser than normal gypsum-and-paper drywall, it takes longer for the fire to degrade it..

How much gap should be between sheets of drywall?

However, during installation, be religious about keeping that 1/8-inch space between sheets by using a guide. The blade of a drywall square is about 1/8-inch thick and does the trick. Thin strips of wood can also be used as spacing guides.

How much does a 4×8 1/2 sheet of drywall weigh?

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.

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.

Is Sheetrock Drywall toxic?

To answer your question in short: drywall dust is not toxic to the body in smaller amounts. This means it will not cause any long-term diseases. However, it can irritate parts of the body, like the eyes and throat. This is because it is made of a chemical known as gypsum (calcium sulfate dihydrate).

Is it better to hang drywall vertical or horizontal?

Commercial: Hang the drywall vertically. … Hides uneven studs – Hanging horizontally also allows the drywall to flow over the framing so that bowed studs create less of a problem. If the drywall were hung vertically and a seam placed on a bowed out stud, the seam would be magnified because of the bump in the wall.

Can you hang drywall on 24 centers?

Regular half inch drywall ceilings can be hung perpendicular if joists are spaced 24 inches or less apart (*always refer to local codes). If hung parallel, the maximum spacing is 16 inches on center.

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.

What is a cheap alternative to drywall?

Wood Planks.Plastic Panels.Plywood.Veneer Plaster.Pegboard.Lath and Plaster.Wahoo Walls.Textured Wall Panels.More items…

Is mold resistant drywall worth it?

Nor will it prevent mold in the case of flooding, when water saturates the drywall and the organic wood framing behind it. But in rooms that experience frequent humidity and are often subject to mold and mildew, such as bathrooms or basements, mold-resistant drywall is a good choice.

What is the thinnest drywall?

¼” Drywall: This is the thinnest sheet of drywall available. It is the ideal choice for remodeling your basement, or for any residential interior walls and ceilings that do not require thick reinforcement.

Should drywall joints be tight?

When you have flat seams that meet that aren’t tapered, you want those tight too, but you can get by with a 1/8-inch gap. Large gaps present big problems when you go to tape the drywall. The screws and fasteners need to be recessed so they have enough of the joint compound covering them.

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.

How many screws go into a 4×8 sheet of drywall?

28 screwsWall studs set 16 inches apart fit 4-by-8-foot drywall panels perfectly. In standard home construction, about 28 screws are needed to properly attach a 4-by-8-foot piece of drywall. That’s if the panel is going on a wall. If it’s going on a ceiling, it’ll take about 36 screws.

What is the building code for drywall?

Field: About 16 inches apart Both the International Residential Code (IRC) and USG, the manufacturer of Sheetrock, say that maximum field screw spacing for wall drywall is 16 inches. Some builders like to space fasteners tighter than that, so they go down to 12 inches.

Is sheetrock waterproof?

Drywall can be primed and painted to be waterproof. Although water resistant drywall — commonly referred to as greenboard or blueboard because of its color — is available at most home improvement stores, you may find yourself needing to waterproof your current drywall.

Is it OK to put drywall over drywall?

One of the fastest ways to cover old, damaged, or cracked plaster walls is to hang drywall over them. Using 1/4-inch sheets, you can cover old imperfections without adding too much additional finish work.

Is lightweight drywall as good as regular drywall?

Lightweight: Lightweight drywall is generally used the same way as standard drywall, but it’s easier to carry and hang because it’s 25% lighter. Fire-resistant: This type of drywall normally contains chopped fiberglass in its core for extra fire resistance.

Is sheetrock better than drywall?

Drywall and sheetrock are really the same thing. Drywall is a panel made of gypsum plaster pressed between two thick sheets of paper. … Aside from a few chemicals that allow the sheetrock formula to be patented, there is really no practical difference between drywall and sheetrock whatsoever.

Should you put drywall on ceiling or wall 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 best thickness for drywall?

1/2 inchStandard Walls The most common thickness of drywall used in residential interior construction is 1/2 inch. This material is recommended for walls with studs placed 16 inches on center. If the wall studs are placed 24 inches on center, a 5/8-inch drywall is recommended.