Seal Gap Between Siding Concrete

All it takes is backer rod and concrete flex sealant.

Seal gap between siding concrete.

Look under the siding at the area meeting the foundation of your home for holes and gaps. They are typically mechanically robust adhere extremely well to almost everything especially wood and concrete and are stretchy enough for seasonal building movement. The best solution here may be to clean up that area of all debris let it be fully dry and then apply a bead of qood quality exterior grade caulking material. Note that there are various types of caulk.

Do not caulk between siding and any built in receiving channels located at or around windows. Leave a 1 8 gap between the siding and the trim or other materials to allow for structural movement. Find the entrances mice use to enter your home. Loctite pl10 often the gap to be filled is quite deep.

Crawl around the exterior of your home and use a flashlight to find cracks holes and gaps. The urethane caulk sealants were developed for the joints between the panels in concrete tilt up construction. Use a small. In this case what i would use is a polyurethane caulk made for masonry like this one.

Vertical trim gap caulking. I am going to assume that you have a concrete patio which has a small gap where it meets the house foundation. How to seal and fix a gap between foundation and concrete sidewalk or patio. In that case the use of backer rod before caulking is recommended.

To prevent further water damage install closed cell backer rod in the gap between the patio and house foundation and cover it with concrete crack sealant. I believe you have tar paper under your siding based on your description. Always caulk between the siding and the trim. Theoretically you could seal the tar paper to the foundation with foam spray caulking something similar.