How do you attach a sill plate to a concrete floor?
- Position the sill plate in place on the concrete slab or foundation.
- Drill holes through both the sill plate and into the concrete, using a concrete masonry drill-bit.
- Insert one wedge anchor bolt set into each drilled hole and hammer it into place with a hammer.
Do bottom plates need to be pressure treated?
While the pressure-treated bottom plate won’t rot, it is still porous and can’t keep water from wicking through it and up into the end grain of the studs. No direct contact, no need for pressure-treated bottom plates. A cautionary note about moisture meters and pressure-treated wood.
What do I put under my bottom plate when framing a basement?
Place your sill gasket under the bottom plate on the floor, lining it up with the snapped line. Be sure you are leaving at least a ½” space between the studs and the foundation wall. We want to avoid direct contact of a wood wall with concrete. Your top and bottom plate should be perfectly aligned.
What is the purpose of bottom plate?
Bottom Plates are used to connect the wall to the floor. Top Plates support the floor above. Usually doubled up.
What do you put under a sill plate?
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- Lay a continuous layer of 1/4-inch foam gasket or similar moisture and air barrier on top of the concrete slab before applying sill plates.
- Apply a bead of caulk along the inside perimeter where the sill plate meets the concrete slab, if desired for additional air-sealing.
How do you attach studs to the bottom plate?
Fasten the bottom plate by driving 16d nails through it into the floor. Nail the end studs to framing in the existing wall. Score the shims with a utility knife and snap them off flush with the plate. Nail the studs in place one at a time.
Why do you need a bottom plate for a concrete floor?
If you are working on a concrete foundation slab at ground level, protecting against moisture damage is the first line of defense. Especially if you are remodeling a basement, moisture problems can lead to serious rot damage on the newly added walls, as well as cause mold and mildew.
What to put between concrete slab and sill plate?
Make sure you cover the concrete everywhere a sill plate will be installed. Apply a bead of caulk along the inside perimeter where the sill plate meets the concrete slab, if desired for additional air-sealing. You can also caulk between the top of the sill plate and the exterior sheathing.
What is the moisture barrier between a concrete slab and a sole plate?
Moisture Barrier Between the Sole Plate & the Concrete Slab Sole plates, or sill plates, are the first pieces of framing lumber placed in home construction. These plates must be made of pressure treated lumber since concrete has a tendency to wick moisture from the ground.
How do you remove bottom plate from concrete floor?
Remove the bottom plate and vacuum the dust away from the hole. Drill pilot holes through the concrete, using a drill bit the same size or slightly smaller than the nail diameter. Drill deep enough for the entire nail to reach the bottom. Again thoroughly vacuum the hole to remove debris that will foul the nail’s ability to penetrate into the hole.
