When I remove the baseboard there is a gap (although usually less than the 3/4" thickness of the wood) between the drywall and the subfloor. Thereof, how do you seal a gap between a wall and floor? Typically, this will be cracks in your foundation. You are correct about the drywall wicking up any water that would happen to get on the floor. 9. I can attest it's a great way to do a floor as it has the feel of an upstairs floor. There is a gap at the seam where the plywood subfloor meets the studs. Typically there is about 1/2" gap between the bottom of the wall sheet and the subfloor. We haven’t put drywall yet. Is it a good idea to use this opportunity to caulk or spray foam the gap between the drywall and subfloor? I will be having drywall installed this week. You don't want to bind the wood floor to anything on the perimeter, it will buckle and warp over time. This house, built in 1977, is pretty leaky. When the ceiling changes height across the length of a wall, a gap between wall and ceiling can result. The gap varies between 1/4 to 3/4 inch all the way around. I've heard that contractors do this to save money and the best method is to hang drywall so it … Forgetting to check your work. If additional force is needed, always use a block of wood against the groove edge to minimize damage to the panel, and always allow a 1/8-inch gap between panels. My installer has ripped out the baseboards and old carpet. Is it a good idea to use this opportunity to caulk or spray foam the gap between the drywall and subfloor? I used spacers to leave a 1/4" gap around the outside, and then framed all interior walls on top of the subfloor. Clean dust or debris from the gap between the wall and subfloor, using a vacuum fitted with a slant nozzle. I don't want to interfere with the … Covering this gap isn’t a difficult process. In the short term, a sealant applied along this gap between your basement floor and wall may prevent leakage. Screws Is it OK to have gaps in drywall? Placing drywall often means dealing with walls and ceilings that aren’t exactly plumb in all areas. My contractor recommended leaving a 1/2" gap between the drywall and floor. Install 1/4″ spacers between the drywall and the DRICORE ® Subfloor panels before panel installation. However, it will eventually fail in one of two ways: #1. The gaps show throughto the outside since the trailer has no foundation. Insert a tube of caulking into the caulk gun. He thinks it would better so it isn't so tight. I lived in that house for 4 years without any issues whatsoever. No problem. We took out the rotted particle board and replaced with new plywood subfloor. An exterior-based caulking is sufficient. 1. share. I'm getting a laminate floor put in. I had laminate installed on some of it, and carpet on the rest. You normally cut drywall sheets by scoring and breaking them, […] I don't want to interfere with the floor installation. This seems exorbitant. Remove the baseboard, if present, to expose the gap between the subfloor and the wall face. Can I get away with a smaller gap between the end of a row and the bottom of the drywall? Prior to finished floor installation, walk the subfloor to check for squeaks, missing fasteners, improper nailing, etc. Report Save. level 2. Original Poster 5 years ago. How far should drywall be off the floor? EDIT: acoustical caulk is typically used to fill the gap between drywall and subfloor. The manufacturer recommends 3/4" gap at walls. Always leave a 1/2-inch gap at the floor. All it … It also helps prevents moisture wicking if the floor floods. It is recommended when installing drywall to leave a 1/4″ gap between the concrete floor and the base of the drywall to avoid moisture contamination. As we are also getting new kitchen and bathrooms, the drywall is down in those rooms. This allows for floor and wall expansion without cracking the drywall. The water being blocked by the sealant will find another gap in your foundation to enter the home.