Waterproofing Exterior Basement Walls Tar
While 'tar' based coatings will in fact 'waterproof' a foundation. These tar based coatings will NOT 'damp-proof' a basement because tar does not BLOCK the passage of water in gaseous form.
Exterior basement wall waterproofing process The most effective way to stop water from coming in is by putting an outer wall, so called exterior wall waterproofing. Note that it is not always possible in Toronto houses because they may be located too close to each other.
Cement Waterproofing A cementitious solution is probably the easiest way to keep the water out. It's a thick coat you can apply directly to your exterior walls, and anyone with experience in painting can apply it. A 5-gallon bucket of dry mix costs about $40, and covers 100 square feet of your foundation.
Ames® Research Laboratories offers a wide range of waterproof wall coating products made especially for protecting the many unique internal and external wall surfaces out there. We offer a selection of waterproof sealants for exterior walls of various materials.
DO apply a masonry waterproofing product to bare interior basement walls. If your foil test showed that water is soaking through your basement walls and leaving them wet, seal the interior of the
Waterproofing your basement is often done with asphalt-based tar applied to exterior walls to prevent water vapor from seeping through. Applying materials to protect your home from moisture damage is key to preventing mold growth and costly repairs.