How To Seal Gap Between Siding And Concrete

A closeup of the backer rod.

How to seal gap between siding and concrete. The urethane caulk sealants were developed for the joints between the panels in concrete tilt up construction. How to seal gap between siding and concrete the bottom row of siding hardipank overlaps part of the concrete footer on my house. Put on your gloves bring a rag for cleaning spills then visit the cracks and gaps you spotted along your siding. Another option is metal step flashing.

It seems too wide for a bead of caulk. In this case what i would use is a polyurethane caulk made for masonry like this one. They are typically mechanically robust adhere extremely well to almost everything especially wood and concrete and are stretchy enough for seasonal building movement. In the course of repairs some of the caulk weatherstripping between the trim and the house came off.

The goal is to push the backer rod to just below the surface and then apply the concrete crack sealant on top. Since some of the siding looks like it will need re priming and painting make sure that you use a paintable type of caulk. If you want to seal it use foam backer rod of a size that will just barely stuff in there. In some cases areas the 3 4 backer rod was too thick so i cut it up the middle with my scissors.

Without a little more detail i can t say for sure if the gap is intentional or just an artifact of the siding installation method. Note that there are various types of caulk. Simply apply this inexpensive filler into the cracks to seal. Step 6 seal small cracks and gaps in your siding under 1 4 inch wide using an acrylic latex caulk.

The gap between the wall and the trim is fairly large at least 1 2 inch. 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. There s not much to installing the backer rod. What s the best way to fill that gap.

I have a stucco sided house that i am repairing repainting.