There are a number of ways to waterproof a basement permanently and cost effectively that can be done inside the basement and even though one method does require a little shovel work it s minor compared to digging up the outside of the house.
Waterproofing basement walls from outside cost.
There are however methods of basement waterproofing that can be done only on the exterior of a home s foundation and they are the most effective ways of stopping seepage from certain sources.
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.
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.
To estimate costs for your project.
For a basic project in zip code 47474 with 120 square feet the cost to waterproof a basement starts at 8 50 10 08 per square foot.
Actual costs will depend on job size conditions and options.
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.
Waterproofing a basement on the outside.
One good reason for waterproofing a basement from the outside is that outside is where the water is.
Labor and materials to waterproof a 1200 square foot basement cost 2 50 8 00 per square foot the average homeowner spends 7 250.
The average cost for exterior excavation and waterproofing done by a contractor is 100 250 per linear foot depending on the excavation depth and accessibility.
A treatment that forms a barrier between the foundation and wet soil.
Nationwide prices range from 4500 to 6500 depending on the severity of the moisture problem and the waterproofing method.
The most obvious importance of waterproofing your basement is that it allows you to save up on the cost of unnecessary renovations and additional repair works it is fairly easy to dab new paint over the affected area however waterproofing a concrete involves the systematic enhancement of the important components of your house.
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.
It s also the most expensive often 15 000 to 30 000.
Causes of a wet basement floor and walls.
This project can take up to 24 hours of work depending on the number of walls.
The surest way to waterproof your basement walls is a full scale exterior waterproofing solution.