Black Jack 5586-1-02 Silicone Roof Sealant, White, Liquid, 1 qt Pail (Pack of 2)

Black Jack Silicone Roof Patch is a heavy-duty, white rubber sealant that provides the ultimate waterproofing protection from the elements. This product has exceptional adhesion and flexibility and is compatible with most building materials. Use to make repairs on damaged roof areas. In hot or cold climates, this waterproof seal will permanently stretch to prevent cracking and peeling.