The basement is leaking through the foundation or block wall? If so, there is nothing you can put on it that will keep the water back if there is enough of it outside the wall.
You need to fix the wa ... read more
Michael,
Eric pretty much nailed it.
It is not usually worth it in my opinion and especially given the nature of most leaks and the condition of most sheathing.
Roofs aren't cheap so I think the mat ... read more