Interior french drains are often installed as a last resort and are significantly more expensive than their exterior counterparts.
Interior drain tile cost per foot.
Improving or regrading the swale on the exterior of the home ranges from 450 and 750 per side.
Waterproofing the interior generally costs between 60 and 90 per linear foot.
Cost of an interior water drainage adding an interior drainage system including a dehumidifier sump pump and floor drain costs between 700 ad 2 600 on average nationwide.
Having an outdoor drain tile installed by a landscaper or other professional can cost as low as 10 to 30 a foot.
Installing drainage runs most homeowners between 1 897 and 5 507 with an average cost of 3 694 small simpler solutions could be as low as 800 and more complicated projects could get as expensive as 8 000 french drains for example average 20 to 30 per linear foot or between 1 000 and 1 500 in exterior applications and 45 to 60 per linear foot or 5 000 to 6 000 for internal ones.
A hole will have to be dug in your basement floor down underneath the foundation at the low point of your basement.
Depending on the region where you live the additional load on utility bills to run a dehumidifier 24 hours a day could cost around 10 per month.
2 4 days installation of an interior french drain in your basement by a professional.
Exterior systems generally cost between 85 and 100 per linear foot.
Interior perimeter drains cost 2 000 to 10 000 on average to help protect a basement or crawl space from water damage.
To install interior drain tile the work begins by cutting out a portion of the basement floor that approximately 12 inches wide along the perimeter of the basement.
Expect to pay anywhere from 20 per linear foot up to 30 per foot for this work to be completed.
Most of the cost of drain tile is in the labor and not so much in the materials needed.
4 6 days diy ers have reported spending 2 3 weekends on this.
However the cost averages about 25 per foot depending on the depth and width of the drain.
Both interior and exterior french drains sit in a bed of crushed gravel that filters out large debris so it won t clog perforations in the pipe.
Those cost figures do not include refinishing costs however.
With the concrete removed the installers then dig out a trench down to the base of.
Installing a sump pump and drain tile starts at 1 600.
Whatever was dug up to install the drainage system will have to be.
Interior perimeter drain cost.
An interior french drain tile system costs 40 to 85 per linear foot to install on average.
60 80 per linear foot estimated cost for a professional to install a french drain in your basement.
Exterior french drains cost an average of 750 to 1 250.
Average basement french drain installation cost.