How To Seal Sandstone Basement Walls

If the wall requires a sealer use an impregnated sealer that can be purchased at any home supply store.

How to seal sandstone basement walls.

Of extruded polystyrene xps insulation turned up at the perimeter creating a sort of rigid foam bathtub where a new slab is poured. If you re going to build new walls inside the existing concrete. Installing interior drain tile a system of perforated pipe buried in washed gravel under the basement floor will alleviate. When you decide to purchase the sandstone pavers or wall tiles or cladding prior to installation clean seal seal sandstone.

Don t apply sealer over painted walls or efflorescence. Polypropylene drainage mat enkamat is one example running it about 14 in. The first step is to cover the floor with a 3 4 in. If you or a previous owner painted the basement walls you ll have to remove the paint before applying sealer which only adheres well.

Up the wall with the filter fabric facing inward. Then cover the floor with 2 in. Pour the sealer into a clean hand spray bottle or a backpack spray low pressure spray not mot more than 20 psi. A basement sealer is vital to keeping the contents of your home and its foundation from suffering the effects of leaks.

All of these things can take their toll on basement walls made of masonry such as natural stone. Due to the porous nature of the sandstone use a sealer like sealtight clear that is deep penetrating. Purchase a spray can at any art supply store that will dry clear. If the walls have been treated with a sealer a basic clear coat will add additional protection.

Afterward a good masonry sealer will protect them against moisture and damage. Interior waterproofing a stone foundation can experience seepage through cracks in the basement floor or at the point where the floor meets the wall either leak caused by hydrostatic pressure beneath the foundation. Many solutions for sealing basement walls and floors are do it yourself although a few may require the help of a professional.