The LIFESAFE RE3940 Mast Boot Tape provides a fast, reliable solution for sealing sailboat mast boots against water intrusion. Designed with a self-fusing rubber compound, this premium marine tape bonds to itself to form a durable, waterproof seal without leaving sticky adhesive residue.

One of its biggest advantages is that it does not require the mast to be unstepped, making installation quick and convenient while reducing maintenance time and cost. The flexible material easily conforms to irregular mast shapes and fittings, creating a tight seal that protects your cabin from leaks caused by rain, spray, and moisture.

Ideal for both routine maintenance and emergency repairs, LIFESAFE Mast Boot Tape is trusted by sailors who want a clean, long-lasting, and professional mast sealing solution.

Features & Benefits

• 4" × 40" self-fusing marine mast boot tape

• No need to unstep the mast during installation

• Bonds to itself to form a single waterproof rubber seal

• Protects against water intrusion and moisture damage

• Conforms easily to irregular mast shapes and fittings

• Leaves no sticky adhesive residue when removed

• Quick and simple installation

• Ideal for sailboats and cruising yachts

• Durable, weather-resistant construction

• Excellent for new installations or replacing worn mast boots

Applications

• Sailboat mast boot sealing

• Mast leak repairs

• Waterproofing deck penetrations

• Marine maintenance

• Cruising and racing sailboats

Specifications

• Brand: LIFESAFE

• Part Number: RE3940

• Product: Mast Boot Tape

• Size: 4" × 40"

• Material: Self-fusing rubber

• Colour: Black

• Application: Sailboat mast sealing

Approximate Weight: 7.2 oz (0.20 kg)