3M, 1/10 Gallon Cartridge, White, Polyurethane, #5200 Marine Adhesive/Sealant, Bonds & Seals Fiberglass & Most Woods, Tack Free In 48 Hours, Completely Cures In 5 To 7 Days With No Shrinkage, Applies Smoothly & Evenly, Does Not Sag Or Flow In Vertical Or Horizontal Seams, Retains Strength Above Or Below Water Lines, Excellent Resistance To Weathering & Salt Water.