I've sealed the out side of my basement walls using a rubberized
waterproofing membrane, plus a plastic sheet covering that, and then a
drain tile around the outside of the house. I still get some moisture
on the base of the inside cement walls/floor. I'd like to drill small
holes in the cement walls and fill the cores at the base full of
spray foam insulation. Would this help to keep moisture under control
or would filling the walls with foam cause more problems?
How about basement water proofing paints. Can they be used to keep
moisture levels lower in the basement?
The inside of my basement has the original functioning floor drain
tiles that drain into a sump crock. It works, and keeps most of the
water out. I still have a problem with damp block where the floor
meets the cement block wall. The outside of the house has been sealed.
There isn't any cracks, or holes. I believe the moisture is seeping in
between the floor and under the block.
The cement block that the basement is made from is hollow, so I was
wondering if filling the blocok with foam insulation would keep
moisture from seeping inside.
How deep is the sump and does a pump remove the water? No sealant will stop
the water forever. The idea is to get the water away from the house with
correct grading, etc. Is it possible that the outside french drain is
clogged with mud or the outlet plugged by a dead animal? Happens all the
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