The Olympic Wood Protector Waterproofing Sealant is part of the Wood Stains test program at Consumer Reports. In our lab tests, Wood Stains models like the Wood Protector Waterproofing Sealant are ...

It has excellent adhesion and, unlike 100 percent silicone caulk, it’s suitable for highly porous surfaces such as masonry, concrete, or brick, in addition to metal, glass, and wood. Plus ...