Interior Wall Framing On Concrete Sill Sealer

Foamsealr sill plate gasket is made of polyethylene foam offering exceptional durability.

Interior wall framing on concrete sill sealer.

Choose a length that will penetrate the concrete at least 1 inch. It s meant to be an air sealing gasket but it also is working as a capillary break because it keeps water in the concrete from wicking up into the wood. Some concrete nails are the cut nail design shown in the photo with a thick flat shank and a tapering v profile. The reason is simple.

A sill sealer gasket is traditionally used in wood construction applied to the top of a concrete or block foundation wall for at least two reasons. 1 because the tops of foundation walls are generally not even or have deviations in plane which permit the passage of air. You can also caulk between the top of the sill plate and the. A simple effective long lasting solution to air infiltration foamsealr sill plate gasket provides a seal against air leakage moisture and insect intrusion at the juncture of the foundation wall and sill plate in new and retrofit construction.

Other nails have a thick shank that sometimes has spiral ridges for improved holding power. Insert shims between the joists and wall as necessary to make the wall fit snugly. Ordinary foam sill sealer works best as a capillary break but it doesn t always work so well as an air seal. And 2 because of the proximity of the bottom of the sheathing to the plate which may not fully cover or seal off the junction between sheathing and plate.

Apply a bead of caulk along the inside perimeter where the sill plate meets the concrete slab if desired for additional air sealing. The light blue sill sealer installed between the bottom plate and concrete most likely for air sealing in the top photo is closed cell foam. Be sure to wear safety goggles when hammering masonry nails into concrete. The crease between this ledge and the edge of the sill plate is the best place to apply the sealant.

One option for improving the air seal if you use conventional sill seal is to seal from the inside with high quality polyurethane or a siliconized acrylic caulk formulated for adhering to concrete.