Use around electrical outlets exterior pipes and window jambs.
Fill in gaps metal siding grooves.
The best exterior caulk for blocking large pest holes.
A polyurethane spray foam insulation that expands to fill larger gaps and holes.
This allows for the caulk to get in and fill the gap correctly.
Seal small cracks and gaps in your siding under 1 4 inch wide using an acrylic latex caulk.
1 scrape all loose paint from around the area to be repaired using a paint scraper or putty.
The best filler for your siding is a two part epoxy product that cures to a rock hard consistency.
Paint works well over it.
You can fill the gaps easily with rope.
Sometimes the old caulk in the siding joint is cracked and you need to cut the old caulk out with a razor knife.
Simply apply this inexpensive filler into the cracks to seal.
If the siding joint is so tight that the caulk only bridges the gap it may split again.
Basically any crack on the exterior of the house should be filled.
The natural movement of the boards could eventually break the material loose and make the problem worse.