Waterproofing Exterior Basement Walls Cost

Labor and materials to waterproof a 1200 square foot basement cost 2 50 8 00 per square foot the average homeowner spends 7 250.

Waterproofing exterior basement walls cost.

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. Most exterior drain tile systems clog overtime with silt which leaves them useless and inaccessible. 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. Repairing defects waterproofing walls cleanings gutters and window wells 1 installing a sump pump 2 or french drain 3 epoxy 4 injections and evaluations.

It s also the most expensive often 15 000 to 30 000. The average cost of waterproofing your basement from the outside with a coating or membrane is 3 to 6 per square foot which typically includes materials and labor costs. On average the cost to waterproof a basement averages 5 000 for a 1 200 sq. Waterproofing the exterior of your basement will cost between 9 000 to 15 000 for the average home.

This includes labor costs and all materials including. The surest way to waterproof your basement walls is a full scale exterior waterproofing solution. Low voc mold and mildew proof white water based waterproofing paint is a modified acrylic co polymer concrete and masonry waterproofing paint and finish. Exterior basement waterproofing cost.

Designed to form an impermeable barrier to water on interior and exterior vertical or horizontal concrete block and cast in place concrete. The liquid or sheet membrane keeps water from penetrating the basement walls. You can rely on it to work even on extreme conditions like below grade foundations and basement walls. 15 000 to 35 000 exterior waterproofing is the most expensive and has limited effectiveness on existing homes.

Exterior waterproofing membranes and drain tiles are limited in their effectiveness. More comprehensive issues that include fixing cracks in the foundation or adding drains gutters can cost upwards of 10 000. Then new walls are built on the inside of drain so the original basement walls are. Foot basement or 5 10 per sq.

The drain is similar to the exterior drain tile described above but it s located just inside the basement walls. After applying and drying it creates an elastic membrane that resist not only water but also cracking peeling fungus mold and mildew.