Loctite pl10 often the gap to be filled is quite deep.
Seal gap between siding concrete.
Do not caulk between siding and any built in receiving channels located at or around windows.
All it takes is backer rod and concrete flex sealant.
Find the entrances mice use to enter your home.
They are typically mechanically robust adhere extremely well to almost everything especially wood and concrete and are stretchy enough for seasonal building movement.
Not a vapor barrier as you say but it prevents water that makes it past the siding from getting any further into the wall.
How to seal and fix a gap between foundation and concrete sidewalk or patio.
Theoretically you could seal the tar paper to the foundation with foam spray caulking something similar.
Always caulk between the siding and the trim.
Leave a 1 8 gap between the siding and the trim or other materials to allow for structural movement.
How to seal siding to keep out mice.
I believe you have tar paper under your siding based on your description.
Crawl around the exterior of your home and use a flashlight to find cracks holes and gaps.
I am going to assume that you have a concrete patio which has a small gap where it meets the house foundation.
Look under the siding at the area meeting the foundation of your home for holes and gaps.
The urethane caulk sealants were developed for the joints between the panels in concrete tilt up construction.
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.
Use a small.
Vertical trim gap caulking.
In that case the use of backer rod before caulking is recommended.
In this case what i would use is a polyurethane caulk made for masonry like this one.