Basement walls can collect moisture due to the humidity of being underground. Moisture can also seep through the walls from the outside. To keep your basement walls in good condition, it is a good idea to seal them. Basement walls can be sealed to help lock out moisture, which may lead to mold, mildew, and erosion problems. It is best to seek professional advice or do some research prior to attempting this project.
Knowing how to seal basement walls will serve you well, this information can be found online. Here are some basic guidelines to help you with sealing your basement walls. Be sure the walls have been cleaned and are free of dirt, dust, and other grime that may keep the sealer from penetrating. It is best to use water and a concrete or brick cleaner depending on what your basement walls are made of. Be sure there is proper drainage in the basement floor. If you cannot use water use a concrete cleaner and wipe the walls down to remove any contaminants. Allow the basement walls to dry for a day or two.