TotalBoat Aluminum Boat Epoxy Leak Sealer

Aluminum Boat Leak Sealer

$28.99

Repair leaking rivets, cracks, and seams on aluminum boats. This 2-part epoxy adhesive sealer comes in a convenient cartridge with a mixing tip that dispenses the exact 1:1 ratio with no measuring, mixing, or mess. Cured resin flexes to prevent recurring leaks. Works on properly prepared aluminum surfaces.

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Product Description

  • Waterproof epoxy sealer provides fast, simple repairs of leaking aluminum boat rivets and seams
  • Cured sealer flexes to prevent recurring leaks caused by stresses on the boat
  • Sag-resistant formula forms high-strength, permanent, waterproof structural bonds that absorb contraction, expansion, vibration, and shock
  • Convenient cartridge fits all standard caulking guns and long working time lets you work neatly & ensure a proper seal
  • Can be applied to properly prepared aluminum surfaces in temperatures as low as 40°F
  • Two-part formula is automatically measured and dispensed at the proper ratio. Static mixing tips are included and ensure proper mix in a controlled bead of material. Leak Sealer can also be mixed manually.
  • Cured epoxy can be sanded and painted
  • Use above or below the waterline

Stop bailing and start sealing

Even if you don’t jump beaver dams in your aluminum boat, normal wear and tear can eventually cause loose rivets and seams to leak. Or maybe the leaks were a gift from the boat’s previous owner. Other repair products usually require the entire hull to be coated, and they can shrink and crack, or fail because they don’t tolerate the hull flexing. At TotalBoat, we worked long and hard to come up with a faster, easier to use, more reliable fix for these common problems. If you suffer the double discomforts of constant bailing and wet feet, TotalBoat Aluminum Boat Leak Sealer has the long working time and fast cure for what ails you and your aluminum hull.

There’s no mixing or measuring because the resin and hardener come in a single cartridge that fits any standard caulk gun. Just attach the included mixing tip and squeeze the handle on the gun to apply. It’s that easy, and you’ll really like the fact that Aluminum Boat Leak Sealer is sag resistant so you don’t have to tip the boat at odd angles to keep the sealer from dripping out. Even better, you can apply it in less than ideal conditions, even in temperatures as low as 40°F. Just be sure to store the cartridge at 60-90°F when you’re not using it.

When you’re finished, cleanup is easy, too—just leave the mixing tip on the cartridge and let it cure. Next time you need to use Leak Sealer, just twist off the old tip and replace it with a new one. After applying, wait 7-10 hours before sanding or painting. Then turn your old bailer into a bait bucket and get back on the water.

Specifications

  • Minimum application temperature: 40°F or warmer for aluminum substrate and ambient air
  • Storage temperature: Directly before use, keep the cartridge at 60-90°F, and store at 60-90°F when not in use
  • Mix ratio by volume: 1 part resin to 1 part hardener
  • Gel time @ 72°F: 40 minutes
  • Recommended application thickness: Avoid exceeding 1/2″ material thickness
  • Working time (thin film): 75 minutes @ 72°F
  • Sandable: 7-10 hours @ 72°F
  • Cure time for high loads: 24 hours @ 72°F
  • Tensile strength: 5,330 psi
  • Compressive strength: 7,200 psi
  • Flexural strength: 8,800 psi
  • Color: Buff
  • Size: Available in a 250 ml. cartridge that fits most standard caulk guns (sold separately). Includes 2 static mixing tips. Additional mixing tips are available, if needed.
  • Note: If UV protection is needed, an appropriate coating must be applied over the properly cured Aluminum Boat Leak Sealer.
  • Safety information: When handling and working with this product, please use gloves, eye protection, and clothing protection. Avoid contact to skin and eyes, and use outdoors or in a well-ventilated area.
  • IMPORTANT: TotalBoat Aluminum Boat Leak Sealer is not designed as an emergency repair product. For waterproof emergency repairs, use TotalBoat Underwater Repair Epoxy.

Aluminum Boat Leak Sealer Technical Data
Aluminum Boat Leak Sealer Resin Part A SDS
Aluminum Boat Leak Sealer Hardener Part B SDS


Frequently Asked Questions

Can this be used to fill rivet holes in an aluminum boat?

Yes. Proper surface preparation is key for permanent, leak-free repairs.

Can it be used for repairs below the waterline, or will it leak?

Yes, as long you follow instructions carefully, repairs will eliminate puddles caused by leaky seams and rivets in boats new and old, whether in the hull or on the floor or bottom.

How do I prep aluminum before application?

The surface must be clean, dry, and free of dirt, dust, grease, loose paint, oils, or other contaminants. Sand aluminum with 80-grit sandpaper within a 1” radius of the leak or repair until the metal is shiny. Remove any sanding residue before application. For best results, use Aluminum Boat Etch Wash.

How do I apply Aluminum Boat Leak Sealer?

Use with a caulking gun. Remove the nut and nose plug from the top of the cartridge. Insert the cartridge into a caulk gun. Attach the provided static mixing tip to the cartridge and twist on until it is tight. Apply the adhesive using an epoxy spreader to manipulate it. For best results, it should be spread to a thickness of 1/8” to 1/16” that covers all of the shiny, sanded metal. When finished, leave the mixing tip on the cartridge. Replace mixing tip upon next use. For more information, refer to our step-by-step instructions here.

Do I need a special caulk gun?

Cartridges fit most standard caulk guns. Heavy-duty or high-ratio ones make it easier to dispense epoxy. For the easiest application, use a caulking gun with a minimum ratio of 8:1.

Can you warm or heat this adhesive to improve flow?

Yes, warming the cartridge to room temperature (60 to 90°F) and applying in similar temperatures will improve flow and make dispensing epoxy easier.

What is the working time?

75 minutes at 72°F. The gel time is 40 minutes at 72°F, and it is sandable after about 7-10 hours at 72°F.

Can you paint over Leak Sealer?

Once fully cured, leak sealer may be sanded and painted over for inconspicuous repairs.

How do I properly store TotalBoat Aluminum Boat Sealer?

Store cartridges at 60-90°F when not in use. Store on a raised surface off the floor during cold weather and avoid storing near outside walls or doors.

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