https://youtu.be/DRfywOUQF0E

How far can 5/8 drywall span on a ceiling?

5/8″ might span it, though you’ll end up with a lot of 6″ scraps due to 90 rather than 96″ spacing. 1/2″ not a chance – it will sag badly. If you strap it, you only need 1×3, and you don’t (IMHO) want it 24″ apart which is already a marginal spacing on ceilings – put it 16″ or even 12″ apart.

Can you hang drywall on trusses?





When attaching drywall to trusses 24 inches OC, you can attach the drywall directly to the truss using thicker, 5/8-inch drywall or specially formulated drywall that resists sagging. Home improvement centers carry different brands; ask for “sag-resistant drywall.”

Can you hang drywall on 2×4 ceiling?

@Bobby Yes you can add drywall on the bottom of the roof joists. If you have insulation between those joists, you will want to make sure you have 1” of air space between the top of the insulation and the bottom of the roof deck.

Can you drywall a ceiling with 24 inch centers?

Because of the superior sag resistance, compared to regular 1/2-in. drywall thickness, lightweight is ideal for ceilings that have joists 24 inches on center. Regular 1/2-in. drywall has always been approved for use on 24-in.

How far can a 2×4 ceiling joist span?

A 2×4 can span a maximum of 6′ 7” when spaced 16” apart and used as a floor or deck joist. When used as a ceiling joist or a roof rafter, a 2×4 can span up to 7′ 3” spaced at 16”, and 6′ 4” when spaced 24” apart.

How far can you span 1/2 drywall on ceiling?





What is the maximum joist spacing for ceiling drywall? Does it matter if the panels are oriented parallel or perpendicular to the joists? 1/2- or 5/8-inch drywall is 24 inches on-center. Ceiling drywall should always be installed perpendicular to the joists, even when they are 16 inches on-center.

Can you attach drywall to ceiling joists?

Yes you can, but it is not always easy to do. The joists may not be perfectly spaced and you only have a 1-1/2 inch target for attaching two edges of the drywall.

Should you strap ceiling before drywall?

Without strapping, you’d be attempting to nail the drywall joints on only half of a side of 2x lumber. While this can be done on wall installations, it’s not by any means desirable. You’ll end up with more seams. By strapping the ceiling, you ensure optimum nailing surface and spacings for drywall.

How far apart should ceiling joists be for drywall?

16 inches



Regular 1/2-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.

When should you use 5/8 drywall?

5/8-Inch-Thick Drywall

These panels are commonly used for ceilings or for walls that require a prescribed fire-resistant rating.

What drywall is best for ceilings?



5/8-inch thick drywall

5/8-inch thick drywall is the best drywall thickness for ceilings. Although you can use any type of drywall for ceilings as long as its installed correctly (even ultralight 1/4-inch thick drywall), a thicker panel is best. 5/8-inch thick drywall is the sturdiest which prevents sagging between ceiling joists.

Is lightweight drywall as good as regular drywall?

Although both standard drywall and lightweight drywall are good for any room in your house (except the bathroom) the lightweight option is more user-friendly. Since it is lighter, carrying it around and hanging it isn’t incredibly difficult.

Should you hang drywall horizontally or vertically?

As a general rule, for commercial buildings, drywall should be installed vertically. On the other hand, for residential buildings, it’s best to install drywall horizontally to increase structural shear strength.

How much does a 4×8 sheet of 5/8 sheetrock weigh?



74 pounds

A 4 x 8-foot sheet of standard 5/8-inch thick drywall weighs 74 pounds, and a 23 percent reduction in weight offered by ultralight can be significant.

How many screws go into a sheet of drywall?

How Many Screws Per Sheet of Drywall. Use about 32 drywall screws per sheet of 4-foot by 8-foot drywall installed horizontally on a wall. This total is comprised of four screws on the five middle studs and six screws on each of the two sides.

Do you stagger drywall seams on ceiling?

It’s not necessary to stagger seams on ceiling drywall. However, because these joints are relatively difficult to finish – and tend to be noticeable in the finished product – it’s a good idea to stagger the drywall panels to make the joints less visible.

Should there be a gap between drywall sheets?



Always leave a 1/2-inch gap at the floor. This allows for floor and wall expansion without cracking the drywall.