It s also the most expensive often 15 000 to 30 000.
Waterproof basement walls exterior.
The following should be avoided when waterproofing a basement.
Do not use tar.
Exterior waterproofing involves excavating all around the house to the full depth of the foundation walls then installing a waterproof coating or membrane topped by drainage panels.
A waterproof membrane is often installed on the outside of the basement wall and the system also requires putting in a buried sump pump where water will collect and then be pumped to the surface.
Do not use plastic to waterproof your basement walls.
Exterior waterproofing is a highly effective waterproofing method and can be completed on basements with both poured concrete or masonry block walls.
Tar will become very brittle and will crack eventually.
Exterior basement waterproofing involves digging out the dirt around basement walls applying a moisture barrier and installing a specially designed dimple board that deflects water away from the.
Waterproofing the exterior of your basement will cost between 9 000 to 15 000 for the average home most professionals will tell you that the best way to waterproof your basement is to fully waterproof the exterior but it s also the most expensive option.
Don t use limestone to backfill.