Boatlife Life-Seal Silicone-Polyurethane Sealant

Boatlife Life-Seal Silicone-Polyurethane Sealant

Boatlife Life-Seal is a unique combination of marine silicone and polyurethane, formulated especially for fiberglass. LifeSeal offers a fast-curing, low odor, high adhesion, non-sagging, non-corrosive, non-yellowing formula. It provides a durable permanent watertight seal for joints subject to structural movement. May be used above and below the waterline. Use for sealing decks to hulls, thru-hull fittings, vinyl ports, sealing/glazing windshields and bedding marine hardware.

• Will adhere to metal, glass, wood, Lexan, ABS, and certain other materials.
• Can be removed without damaging gel-coat.
• Not recommended for ferro cement hulls, impregnated wood or oil-soaked materials.
• Cures in presence of water.
• Mildew resistant and acid free.

Sizes Available:

• Squeeze Tube
• 1 oz
• 2.8 oz
• Cartridge (for caulking gun)
• 10.6 oz

 ***WILL SHIP GROUND ONLY TO THE CONTIGUOUS 48 STATES ONLY***

How to Use Boatlife Life Seal Sealant

• Before applying, ensure entire surface is clean and oil free.
• Life Seal can either be applied using the squeeze tube or via caulking gun (using 10.6 oz cartridge)
• Life Seal will skin over in 10 minutes.
• Allow 24 hours to fully cure.

Frequently Asked Questions

What is Boatlife Life-Seal Silicone-Polyurethane Sealant used for?

Boatlife Life-Seal Silicone-Polyurethane Sealant is a marine sealant formulated especially for fiberglass. It provides a durable, watertight seal for joints subject to structural movement and can be used above or below the waterline for applications such as decks to hulls, thru-hull fittings, vinyl ports, windshields, and marine hardware.

What materials can Boatlife Life-Seal adhere to?

Boatlife Life-Seal is designed to adhere to fiberglass and can also adhere to metal, glass, wood, Lexan, ABS, and certain other materials. Surfaces should be clean and free of oil before application to help ensure proper adhesion.

Can Boatlife Life-Seal be used above and below the waterline?

Yes. Boatlife Life-Seal can be used for marine sealing applications both above and below the waterline. It cures in the presence of water and is formulated to provide a permanent watertight seal while accommodating structural movement.

How do I apply Boatlife Life-Seal Sealant?

Before application, make sure the entire surface is clean and oil free. Life-Seal can be applied directly from the squeeze tube or with a caulking gun when using the 10.6 oz cartridge. Apply the sealant to the intended joint or area and allow it to cure according to the stated curing time.

How long does Boatlife Life-Seal take to cure?

Boatlife Life-Seal skins over in approximately 10 minutes and requires 24 hours to fully cure. The product is formulated as a fast-curing marine sealant and can cure in the presence of water.

Where should Boatlife Life-Seal not be used?

Boatlife Life-Seal is not recommended for ferro cement hulls, impregnated wood, or oil-soaked materials. Before application, surfaces should be clean and free of oil. The product description also identifies fiberglass as its specifically formulated application material.

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