Best Deck Sealants

Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon

Liquid Rubber Waterproof Sealant - Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Original Black, 1 Gallon

Liquid Rubber Color Waterproof Sealant - Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Medium Gray, 1 Gallon

Liquid Rubber Smooth Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Stone Grey, 4 Gallon, 15.1 Liter

Flex Seal Liquid - Waterproof Rubber Seal, Patch Leaks, Repair Multi-Surface Indoor & Outdoor; Thick Coating Great for Roofs, Cracks, Gutters, Concrete, Basements, Foundations, WHITE, 32 oz (945 mL)

Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Wood Stain and Sealer

Eco Advance EACON128PD 1 Gallon Concrete/Masonry Siloxane Waterproofer-Ready to Use

Gorilla High Performance Wood Filler, Stainable & Paintable, Shrink & Crack Resistant, Anchors Nails & Screws, Moldable, Sandable, Natural Color, 170g/6oz, Tube, (Pack of 1), 108033

Liquid Rubber Peel and Stick Seam Tape - Fix Leaks, Repair and Restore Roof Joints and Tears, Bonds to EPDM, Metal, Tiles, Shingles, Wood, and Fiberglass Easy to Use, 2 Inch x 50 Foot Roll

Garden Box Sealer | FDA Food Contact Safe Plant-Based Wood Sealant for Raised Beds, Planters & Pet Houses. Protects All Wood Types from Water & Weather Damage | Eco-Friendly Sustainable Solution