Zinsser 10 oz. Watertite Waterproofing Poly Seal Tube (12-Pack)

Zinsser 10 oz. Watertite Poly Seal Tube (Case of 12) is a high performance, moisture curing polyurethane joint sealant that seals and waterproofs. This permanently flexible joint filler was developed for use on interior and exterior concrete and masonry surfaces. Elastic and non-brittle, it will not break or chip.