ReviewsPermanent Sealant

3M Polyurethane Sealant 540, Gray, 310 mL Cartridge

Polyurethane Seam Sealer/Adhesive Compound is a one component, moisture-cure sealant designed exclusively for automotive uses..
This product cures under the effect of atmospheric humidity to form a permanently flexible and resistant joint..
This product is a high quality elastomeric sealant formulated to combine high flexibility with high ultimate strength, permanent bonds and long service life..
This product provides excellent adhesion to a wide variety of substrates and comes in an easy to use, non-sag consistency suitable for easy application with a standard caulking gun in both horizontal and vertical automotive joints..
Easy application, ready to use, no mixing required.

MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Grey.
A versatile moisture-curing high-performance polyurethane sealant with permanent elasticity (Formerly: Sonolastic NP 1)..
For use on active, vertical and horizontal interior, exterior joints including expansion wall joints, floor and pavement joints, curtain walls, panel walls, precast walls, window frames, structural components, dams, spillways, and storm water drains..
Substrates include concrete, masonry, aluminum, and wood. Bonds to concrete, masonry, and other materials without a primer. Does not require mixing. Skins overnight and fully cures within a week..

MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Stone.
A versatile moisture-curing high-performance polyurethane sealant with permanent elasticity (Formerly: Sonolastic NP 1)..
For use on active, vertical and horizontal interior, exterior joints including expansion wall joints, floor and pavement joints, curtain walls, panel walls, precast walls, window frames, structural components, dams, spillways, and storm water drains..
Substrates include concrete, masonry, aluminum, and wood. Bonds to concrete, masonry, and other materials without a primer. Does not require mixing. Skins overnight and fully cures within a week..

Shoe Goo - Shoe Repair and Protective Coating for Leather, Vinyl, Rubber or Canvas. Includes 7 mini bottles..
Spreader Tools - 5 Pixiss plastic spreader tools (Colors May Vary). A variety of shapes and sizes make it easy to work with your Shoe Goo..
Shoe Repair - Bonds, protects and rebuilds for a permanent repair..
Shoe Sealant - Excellent sealant – Perfect for patching Small holes..
Waterproof – The waterproof bond remains secure even when exposed to Water. Creates extra traction – can even be used on skateboards..

CURES FAST – One-part adhesive sealant requires no mixing, typically cures in as little as 24 hours so you can get back on the water faster.
SEALS ABOVE AND BELOW WATERLINE – Ideal for joints, rub-rails, access plates and other areas shielded from the sun.
LONG LASTING FORMULA – Tough polyurethane polymer resists weathering and salt water.
TOUGH, FLEXIBLE BONDS – Stays very flexible, retaining strong bonds even during vibration, structural movement or shock.
ALLOWS DISASSEMBLY WITHOUT DAMAGE – Medium-strength, semi-permanent adhesive sealant allows bonded parts to be removed after prolonged use.

CURES FAST One-part adhesive sealant requires no mixing, typically cures in as little as 24 hours so you can get back on the water faster.
SEALS ABOVE AND BELOW WATERLINE – Ideal for joints, rub-rails, access plates and other areas shielded from the sun.
LONG LASTING FORMULA Tough polyurethane polymer resists weathering and salt water.
WON’T CRACK OR PEEL – Stays very flexible, retaining strong bonds even during vibration, structural movement or shock.
ALLOWS FOR DISASSEMBLY WITHOUT DAMAGE – Medium-strength, semi-permanent adhesive sealant allows for bonded parts to be removed after prolonged use.

USE AS A GASKET: DoubleStick is sticky on both sides and is perfect for use as a gasket when installing windows and vents on RVs, mobile homes, steel buildings, etc..
TWIST INTO A ROPE: DoubleStick works when folded into a bead, as moldable sealant to fill gaps or holes, as gasket around wall penetrations, and on RV under belly to keep debris out.
SEALS SEAMS: Perfect for roofing membranes seam repair and seal, and bonds to many surfaces including EPDM, TPO, Hypalon, aluminum, galvanized steel, gypsum board, wood, many plastics, fiberglass, brick, concrete, and masonry.
CONVENIENT SELF SEALING: DoubleStick tape is a self-sealing sealant tape used to create a permanent, weather proof, conformable seal between two or more surfaces.
EASY TO USE: Simple and quick three-step instruction, using sticky tape with no trays or messy solvents to clean up after the project completion, and no other adhesive needed.

Fast-drying, hard-setting sealant designed for sealing rigid materials and flanges.
Patches holes and joints where permanent assembly is desired.
Resists common auto and shop fluids including fuels.
Temperature Range: -65°F to 400°F (-54°C to 204°C).
Suggested Applications: Freeze plugs, threaded connections, and manifold gaskets.