Drylok is a product that is used to stop water seepage on interior masonry walls. It is supposed to seal basement foundations, primarily block foundations but I’ve seen it on concrete as well.

What is the purpose of Drylok?

Drylok is a product that is used to stop water seepage on interior masonry walls. It is supposed to seal basement foundations, primarily block foundations but I’ve seen it on concrete as well.

What does it mean to Drylock basement?

If you have been talking with a home improvement professional and he or she mentions Drylock or Drylok, what he is talking about is a basement waterproofing sealer that is put on the concrete. This product is designed to prevent water from seeping through the foundation and walls in the basement.