How To Seal Gap Between Siding And Concrete

Step 6 seal small cracks and gaps in your siding under 1 4 inch wide using an acrylic latex caulk.

How to seal gap between siding and concrete.

In that case the use of backer rod before caulking is recommended. Simply apply this inexpensive filler into the cracks to seal. If you want to seal it use foam backer rod of a size that will just barely stuff in there. Another option is metal step flashing.

A closeup of the backer rod. 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. Put on your gloves bring a rag for cleaning spills then visit the cracks and gaps you spotted along your siding. Loctite pl10 often the gap to be filled is quite deep.

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. In this case what i would use is a polyurethane caulk made for masonry like this one. Note that there are various types of caulk.

What s the best way to fill that gap. They are typically mechanically robust adhere extremely well to almost everything especially wood and concrete and are stretchy enough for seasonal building movement. The goal is to push the backer rod to just below the surface and then apply the concrete crack sealant on top. The urethane caulk sealants were developed for the joints between the panels in concrete tilt up construction.

Since some of the siding looks like it will need re priming and painting make sure that you use a paintable type of caulk. There s not much to installing the backer rod. How to seal gap between siding and concrete the bottom row of siding hardipank overlaps part of the concrete footer on my house. It seems too wide for a bead of caulk.

In some cases areas the 3 4 backer rod was too thick so i cut it up the middle with my scissors.