Waterproof Marine Sealant: This 1 fluid ounce tube of white polyurethane paste provides waterproof sealant for fiberglass and wood surfaces.
Durable Construction: The tube contains 12 individual tubes of sealant for versatile use.
Easy Application: The waterproof sealant can be applied with a brush or roller for quick and easy coverage.
Long Lasting Protection: The polyurethane formula provides long lasting protection against water damage.
Trusted Brand: Made by 3M, a leading manufacturer of adhesives and sealants.
Description
This high-performance polyurethane adhesive/sealant becomes tack free in 48 hours, completely cures in 5 to 7 days with no shrinkage. The seal is extremely strong, retains its strength above or below the water line. Stays flexible too - allows for structural movement. Stress caused by shock, vibration, swelling, or shrinking is effectively absorbed. Has excellent resistance to weathering and salt water. Easy-to-apply with manual caulking . Remains workable with trowel or spatula up to 4 hours after application. Will not sag or flow in vertical or horizontal seams.