Flexible & Weather Resistant Polyurethane Caulking Adhesive Sealer | Multi-Surface Interior & Exterior Caulk | ULTRAFLEX P40

From $15.95 per sq. ft.

ULTRAFLEX P40 is a high-performance, single-component polyurethane adhesive and caulking sealer designed for interior and exterior construction applications. Available in white or black, it comes in 310ml tubes and 600ml sausage packs for flexible usage. This moisture-curing sealer offers superior weather resistance, exceptional sealing capabilities, and long-lasting flexibility, making it an ideal solution for expansion joints, deformation joints, floor cuts, roof partitions, and curtain wall seams. Engineered to bond with a variety of materials—including concrete, stone, metal, and more—ULTRAFLEX P40 ensures strong adhesion, waterproofing, and eco-friendly performance without causing substrate corrosion.