Drain tile is best installed immediately after the footer of new house is complete but it is possible to install on a completed house too.
Interior drain tile installation.
To install interior drain tile a contractor cuts a 12 wide channel in the concrete slab along the perimeter of the basement floor.
In new construction install the drain tile immediately after the footing forms are removed.
If you build your home on level ground you have two choices.
If you choose to wait until the foundation is poured there will be less room to work in the side walls of the excavation could cave in or extra concrete from the foundation pour could fall into the hole and have to be removed.
The contractor excavates a trench in the channel down to the foundation footings then installs a perforated drain pipe and connects it to a sump pump.
The cost increases to 10 000 to over 15 000 with a sump pump basin a device that functions as a preventive measure to flooding.
This is the best situation because it s entirely dependent on gravity.
Interior drain tiles can cost 2 000 to 6 000.
Interior perimeter drain systems are mostly installed to waterproof leaking concrete block foundations.
An interior drain tile system installed to relieve basement seepage.
This kind of drain tile system is a cost effective and permanent way to reduce water in.
If you choose a sump pit it will usually be installed inside your basement.
This waterproofing system is so reliable that some very large companies sell this type of system to deal with just about every wet basement situation.
The drain tile pipe runs beneath the footer to this sump.
Install a sump pit or install a large buried french drain.
Step 1 dig to the footer digging to the footer can be difficult which why it is best done immediately after completing a footer.
The drain tile is covered using a filter most preferably coarse gravel or river rock.
Cover the pipe with gravel to a level flush with the top of the footer.
One project that can help prevent flooding is installing a drain tile system called a french drain underneath the basement floor to drain excess water.
A drain tile can direct excess water into an open area but you might need a dry well to hold the water until it gradually filters into the surrounding soil.
Compared to exterior waterproofing an interior weeping tile system is less expensive since no excavation is involved and is a proven highly effective basement waterproofing method.