Maintaining good clearances between finish grade and siding materials of all kinds is crucial to preventing this kind of damage.
How to seal vinyl siding to concrete.
If it s safe spread it liberally in the concrete with a natural bristle paint brush.
The grey color visible in the picture is the back side of the vinyl siding.
How to seal siding to keep out mice.
Look under the siding at the area meeting the foundation of your home for holes and gaps.
Use minimal expanding foam to avoid opening the slit in the rubber boot and push the tip several inches in so the foam expands into the hole instead of out the top of the boot photo 4.
Test the acid solution before using it.
Seal the hole from the inside as well.
The vinyl siding as seen from inside the crawl space.
I believe you have tar paper under your siding based on your description.
Add vinyl siding strips until you reach the end of the wall then measure and cut the last strip to leave 1 4 inch space at the end.
Let the caulk dry overnight then partially fill the boot with foam.
It s safe for vinyl but your siding may not be 100 percent vinyl.
A wall or siding needs special detailing to prevent leaks and damage where the wall encounters any horizontal surface such as a foundation wall top or a concrete porch slab.
Not a vapor barrier as you say but it prevents water that makes it past the siding from getting any further into the wall.
Theoretically you could seal the tar paper to the foundation with foam spray caulking something similar.
Use a small.
You may need to tape the rubber to the siding temporarily until the caulk dries.
Crawl around the exterior of your home and use a flashlight to find cracks holes and gaps.
Use the cut off piece to start the next row of siding.