Can I attach drywall to floor 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. As well, the floor joists are often not perfectly on the same plane, with one or more of the floor joists being slightly lower or higher than the others.

Can I hang drywall with with joists?

You should never install ceiling drywall fastened directly to the joists above. Why? There are several good reasons: If the ceiling has a floor above, the odds that the drywall will eventually crack and come away from the ceiling is greatly increased.

Is it OK for drywall to touch the floor?

Drywall should NOT touch the floor. Allow for floor and wall expansion without cracking the drywall by keeping a 1/2-inch (1.27-cm) space between them. This space also aids in preventing moisture from seeping if the floor floods.

How are interior walls attached to joists?

The most common solution is installing short pieces of framing lumber, called blocking, perpendicular between the joists. The blocking provides a nailing surface for walls that fall between joists and serves as an evenly spaced fastening surface for finish materials, such as drywall.

Should I leave a gap between drywall and floor?

It might sound counter intuitive at first to leave space between your floor and your wall, but you should always leave a ½ inch to ⅝ inch gap between drywall and the floor. There are several reasons for this: Drywall absorbs moisture.

Fixing our Floor Joists and hanging drywall

How close should drywall be to 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 drywall sit on subfloor?

In standard home construction, the contractor installs the subfloor before installing the drywall. In fact, the subfloor is one of the first features of construction, whereas drywall installation takes place toward the end of the project.

Does drywall have to end on stud?

Drywall Is Not on a Stud

All edges of all sheets of drywall must land on a solid surface such as a stud. A hanging drywall edge may work in the short-term, but in the long-term it can result in cracks and other serious wall issues. Sometimes, the drywall does not horizontally reach a stud.

Should you glue drywall to ceiling?

Glue is not needed, but will reduce screw pops by making the assembly more 'solid'. I always use adhesive when I can (when there is no vapor barrier or insulation covering the wood).

Does it matter if you drywall ceiling or walls first?

When hanging drywall, always hang the ceiling first. This is the hardest drywall to hang, so get a partner and go slow. Large cracks due to misaligned sheets are hard to repair because the extra mud required to fill them will constantly fall out and drop to the floor (or worse, down the back of your neck!).

Can you hang drywall on engineered floor joists?

Jerrod, the strength of engineered joists depends on the bond between the upper and lower 2x3's and the web. They hang drywall from them all the time. You can attach resilient clips directly to them with no problem.

Can you drywall basement ceiling?

Installing basement drywall ceiling is the most cost effective methods to cover the floor joists and beams, and finishing your basement ceiling properly.

Are furring strips necessary?

Whether it's the ceiling or the walls, furring strips are essential to ensuring that you'll always get a flat and smooth surface when the project is complete. When applying furring strips to your walls, they will have to be directly screwed or nailed into the wood or concrete wall.

What comes first drywall or flooring?

When you're hanging drywall and installing new flooring, it's usually best to hang the drywall first and then save the floor for last.

Is drywall required under tongue and groove?

Drywall will help with some types of sound, like people talking or a radio playing, but it won't help much with footfalls and people walking around. If you want to get the most bang for your buck, 5/8" type X drywall and safe and sound mineral wool will help, and stop most normal talking from being heard.

Why do you hang drywall vertically?

Structural strength – Drywall is typically stronger when hung in the long direction than it is in the short direction, which means less chance of sagging when attached perpendicular.

How do you seal between drywall and floor?

Place the tip of the caulking gun into the gap between the wall and subfloor. Squeeze the trigger to leave a 1/4-inch bead of caulking inside the gap. Slide the caulking gun along the wall to leave a continuous bead, instructs Home Depot. Check that the bead has come into contact with the rough framing of the wall.

Should I hang drywall 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 9 feet high or shorter, hanging the drywall horizontally has a number of benefits.

Do you caulk the bottom of drywall?

Sealing the bottom plate to the floor sheating is quick easy to do, even if the drywall is hung. While this will eliminate some air leakage, it wont stop much dust, per se, because there isnt much dust that would enter at this point.

Should walls be built on subfloor?

If your basement renovation is to include a plywood subfloor, or the 2'x2' subfloor panels, be sure to install the subfloor first, then frame the wall overtop. Having the 2×4 wall sit on the subfloor will protect the lumber from moisture issues or any minor flooding.

Are floor joists load-bearing?

Floor joists are designed to be load-bearing. They act as the support for upper levels, often transferring weight to vertical supports within a foundation. With upper levels, floor joists support the walls.

Do walls go on top of subfloor?

1 Answer. Show activity on this post. Utterly standard - the subfloor goes on, then the walls go up. Doing it any other way is rather fraught with difficulties to no benefit.