If there s condensation on the outside of the foil you have high humidity in your basement.
Waterproofing basement walls from inside.
Check it by performing a simple test.
If your foil test confirms water seepage in basement walls inside water source peel the existing paint off.
If moisture is on the outside it s a condensation problem.
This is how you can waterproof your basement walls from inside.
Waterproofing basement walls from inside there are several steps to internal waterproofing the first of which involves sealing cracks and holes in the concrete walls of your foundation with hydraulic cement.
The product works through densification to reduce the movement of water through pores.
Another method of attaining dry basement walls is to install a drainage channel beneath the floor inside the basement.
When the paint dries the sealant forms a watertight bond to stop water from seeping through.
Fix it with a portable room dehumidifier or a whole house humidifier system instead of waterproofing products.
Salt and lime deposits are the most common reason sealing fails.
Waterproofing is an important precaution for basements that are prone to moisture buildup or leaks as water damage can cause mold as well as expensive damage to the home s foundation.
Tape a 1 foot square piece of aluminum foil to the inside of your basement walls and leave it in place for 24 hours.
Follow this by rinsing the area very liberally with a water hose then vacuum it off the floor.
Waterproofing a basement in the inside is a very popular option because it is done without major exterior excavation and in some cases can be done very quickly and economically.
The drain is similar to the exterior drain tile described above but it s.
The cost for waterproofing a basement can range from 500 to 3 500 depending on the extent of the waterproofing and amount of work involved.
Seal coat the interior of the walls with a suitable masonry waterproof product.
The cement will expand inside the fissures and create a water tight seal.
By working below the surface it doesn t change the look of your basement but keeps it in good shape.
Tape plastic wrap onto a damp spot sealing the edges with tape for a few days.
If moisture appears on the wall side of the plastic it s a leak.
If you see wet spots on basement floors and walls you might have a condensation problem.