DRYLOK Extreme White Flat Solid Latex Mildew Resistant Interior/Exterior Waterproofer ( 1-gallon )

What Customers Are Saying

The Drylok Extreme product is a highly effective waterproofing and sealant solution for basement walls and concrete surfaces. Most customers report it successfully stops leaks, prevents moisture intrusion, and dries walls to create a clean, dry environment. Many praise the product's ease of application, good coverage, and ability to work on a variety of surfaces. However, a small number of customers had negative experiences, with some reporting the product did not effectively waterproof or started peeling off over time. Overall, the consensus is the product works well for most customers when applied properly, though a minority had unsatisfactory results.