Exterior Perimeter Drain

Another problem with exterior foundation footing drains i completely concur with the above posting by alan.

Exterior perimeter drain.

The pipe is normally covered by a mesh permeable. Before this can be accomplished anything around the perimeter must be removed including porches shrubbery gardens sidewalks steps part of the driveway and anything. A french drain or weeping tile also trench drain filter drain blind drain rubble drain rock drain drain tile perimeter drain land drain french ditch sub surface drain sub soil drain or agricultural drain is a trench filled with gravel or rock or containing a perforated pipe that redirects surface water and groundwater away from an area. A perimeter drain as we explain in this article is an indoor drain cut into the floor around the perimeter of a basement or crawl space to intercept and remove water from the building interior.

These downspout connections provide an ideal entry point for leaf and twig debris from the homes gutters. A perimeter drain or weeping tile is a plastic or pvc perforated pipe which is installed underground around the perimeter of your house. As a homeowner you appreciate how costly home repair is and as such it is important to deploy preventive measures to avoid such expenses. Exterior drainage solutions for your home a recent study by the concrete foundation association cfa shows that 85 of home structural damage is caused by poor drainage.

The perforations consist of thousands of tiny holes or slits that allow water to enter the pipe and be drained away from the foundation of the home. A perimeter drain is an indoor drain cut into the floor around the perimeter of a basement or crawl space to intercept and remove water from the building interior. You will also need to dig a trench away from the foundation to either a percolation trench dry well or to daylight if the slope of the land allows. 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.

We illustrate perimeter drains above. The trench will need to be dug down to the footers of the foundation and be about 4 wide. We illustrate perimeter drains and we comment on their effectiveness and installation details below. The drain shown in the sketch above is intended to describe an exterior foundation drainage system.

To install an exterior drain around the perimeter of your home basement waterproofing contractors will first need to excavate the area around your foundation with a backhoe.