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What is code for drywall thickness?

What is code for drywall thickness?

Layered Drywall Thicker drywall may be required by code for any wall or ceiling covered with a texture or skim coat where studs or joists are spaced 24 inches on-center rather than 16 inches. This thicker drywall is often called fire-resistant drywall.

Is lightweight drywall good for ceilings?

There is no appreciable design advantage for ultralight drywall over standard drywall. This is a material that can be used for all wall and ceiling finish surfaces in any residential application.

Is thicker drywall better for sound?

Adding more mass to the wall is always an effective way to reduce noise pollution coming through a wall. It works in a number of ways by not only blocking and absorbing sound waves, but also by making the wall heavier and therefore more difficult to vibrate.

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

Drywall is sold in several standard thicknesses: 1/4-inch (6.35mm) 3/8-inch (9.52mm) 1/2-inch (12.7mm)

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.

Does soundproof drywall really work?

While soundproofing drywall panels are all inherently better than standard drywall at resisting sound transmission, it is not until these panels are integrated into a complete wall system that the true benefit is enjoyed….Evaluating Products.

QuietRock Drywall
STC Rating 52 34

What is the actual thickness of 5/8 inch drywall?

What is the actual thickness of 5/8 drywall? 1/2″ drywall and greenboard are exactly 1/2″ thick. 5/8″ drywall and greenboard are exactly 5/8″ thick.

What should the thickness of a drywall panel be?

The panels of drywall usually come in 4-foot-wide sections, which can be cut to suit the dimensions of the space you’re finishing. For residential spaces, drywall panels can be 3/8 inch thick, a quarter-inch thick, or half an inch thick. Some types of drywall can be as thick as 5/8 inch. So how thick should the ceiling drywall be?

Which is better 1 / 2 inch or 5 / 8 inch drywall?

Even easier are ultra-light 1/2-inch panels, which are 13 pounds lighter than conventional 1/2-inch drywall. 5/8-inch: 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 more resistant to sagging than 1/2-inch panels.

Which is the best thickness of drywall for soundproofing?

5/8 inch. The thickest option available, 5/8-inch drywall is ideal for commercial construction applications. 5/8-inch thick drywall is also referred to as firewall drywall. Its thickness makes it the ideal drywall for soundproofing in noisy buildings.

What should the thickness of sheetrock be for a ceiling?

The Thickness of Sheetrock for a Ceiling 1 Residential. Unless local building codes specify a thickness for ceiling drywall, using panels that are one-half inch thick on ceilings with 16-inch joist spacing is standard. 2 Wider Joist Spacing. 3 Fire Retardant. 4 Soundproofing. …

What is the most common thickness of drywall?

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.

What size drywall for ceiling in house?

The standard width of drywall is 48 inches. Most ceilings in new construction are 8 feet high, so installers mount boards lengthwise, one above the other.

How thick is drywall typically?

Drywall Thickness. Drywall thickness varies. Most commonly used is 1/2-inch. Most standard interior walls take this type of gypsum board in various lengths from 8 X 4 foot pieces to 16 X 4 foot pieces. Half-inch drywall is fairly heavy and thick enough to perform some deadening of sound.

Which drywall to use for ceiling?

The thicker ⅝” drywall is the standard for ceilings. You don’t want to use ½” or ⅜” for ceilings, as over time it will sag downwards in between rafters. Also, ⅝” is the standard thickness for fire-resistant or fire-code drywall, commonly found in garages.