A versatile all-purpose caulk, Phenosealvinyl adhesive caulk is perfect for almost any job. It truly does it all - bonds, caulks and seals. As an adhesive, it creates a strong bond, as a caulk, it contracts and expands to seal joints up to 1/4 inch, as a sealant, it keeps water and air from penetrating cracks and seams preventing energy loss. This fast-drying interior / exterior formula cleans easily with soap and water. Cured caulk is mold.. See full description for further details