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Product Details

TotalBoat 5:1 Epoxy Kits include everything you need to tackle marine epoxy repairs and fiberglass projects. The five part resin to one part hardener ratio is considered the 'traditional' marine epoxy system of choice for projects like bonding, coating, fairing, filleting, and laminating.

Complete project-ready epoxy kits includes: TotalBoat 5:1 epoxy resin; your choice of either fast or slow TotalBoat hardener; calibrated epoxy pumps that dispense the right ratio of resin and hardener, 2 stir sticks, and 2 mixing pails.

System Group Sizes: A - Quart Kit; B - Gallon Kit; C - 4.5 Gallon Kit.

Note: Don't need the pumps, stir sticks or mixing cups? Gallon size kits are also available with just resin & hardener included. This 'no frills' version makes sense if you just need more epoxy.

Tech Specs
HANDLING PROPERTIES Fast Kit Slow Kit
Mix Ratio by Weight100A (Resin) : 18B (Hardener)100A (Resin) : 17B (Hardener)
Mix Ratio by Volume5A (Resin) : 1B (Hardener)5A (Resin) : 1B (Hardener)
Initial Mixed Viscosity at 75°F, cP1,000700
Pot Life at 75°F, 150g mass, min.1220
Work Life at 75°F, Thin Film, min.6090
Cure Time at 75°F, Thin Film, hrs.610
PHYSICAL PROPERTIES
Tensile Strength, psi8,0007,500
Tensile Modulus, psi410,000460,000
Tensile Elongation, %3.54.5
Heat Deflection Temperature120125
Compressive Strength, psi11,50011,500
Flexural Strength, psi14,40012,000
Flexural Modulus, psi460,000450,000
Cured Density, g/cm 3 1.181.18
Volumetric Yield in 3 /lb.23.523.5
Volumetric Shrinkage, %4.44.4
Hardness, Shore D8483
ColorAmberAmber
Should I use this for clear-coating applications?NoNo
Info & Guides
TotalBoat Traditional 5:1 Resin mixed with TotalBoat Fast or Slow Hardeners cures to an amber color, and is not suitable for clear-coating applications. It is the ideal marine epoxy system for boat building (especially fiberglass) and common composite repairs.

For clear-coating applications, or where an ultra clear cure is important, we recommend TotalBoat High Performance 2:1 Epoxy. TotalBoat Crystal Clear 3:1 Epoxy may also be used for such applications.

For extra long pot life and working time, use TotalBoat Tropical Epoxy.

Tip: Wash cured epoxy with water, scrubbing lightly with a Scotch-Brite pad to remove any amine blush prior to over=coating or painting.

Important Safety Information

Always wear protective clothing and equipment to protect your eyes, skin, and lungs when working with TotalBoat Traditional Epoxy Resin and Hardeners. Personal protective clothing should include appropriate gloves, safety glasses or goggles, a proper respirator, and a proper apron or similar protective clothing.

WARNING: The TotalBoat 5:1 Epoxy Slow Hardener can expose you to chemicals including bisphenol A, which is known to the State of California to cause female reproductive toxicity. For more information, go to www.P65Warnings.ca.gov

Reviews for TotalBoat 5:1 Epoxy Kits

10 of 252 Reviews

May 14, 2022

Best stuff out there....
By SV Vengeance from San Angelo, Texas

Verified Purchase

Don't put cheap on pretty...this epoxy is just better in every way... took about 8hrs to setup and 24hrs it's solid as steel..going to be ordering more soon

Bottom Line Yes, I would recommend to a friend

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May 6, 2022

5-1 resin
By Custabob from Logan Wv

Verified Purchase

As always,, the best resin I've ever used!!

Bottom Line Yes, I would recommend to a friend

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May 5, 2022

Great customer service. Fast efficient shipping
By Steve G from Amelia, OH

Verified Purchase

I called because of problem ordering on the web site and found customer service to be great. Friendly knowledgeable service. Everything arrived fast and accurate. Just starting my project and product is great.

Bottom Line Yes, I would recommend to a friend

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April 20, 2022

Worked Well.
By Chuck from Arkansas

Verified Purchase

Learned about Total Boat on the Boatworks Today YouTube channel. Purchased it to repair a 6 inch diameter soft spot in the deck of my Catalina 22. It mixed easily. Total Boat silica was added to thicken the mixture. The thickened mixture was injected using a syringe into the soft spot through holes drilled into the deck gel coat. The mixture filled the cavity left by the deteriorated wood core. Within 24 hours, the deck was solid. It worked wonderfully.

Bottom Line Yes, I would recommend to a friend

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April 18, 2022

Best Deal
By S/V Brass Ring from Charleston

Verified Purchase

Total Boat is the best Deal and the best product on the market.

Bottom Line Yes, I would recommend to a friend

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March 15, 2022

I would buy this product again.
By Van from NC

Verified Purchase

Very easy to use. Took silica thickener very well. The epoxy did have a hardened block about 1 cm thick in the bottom of the jug.

Bottom Line Yes, I would recommend to a friend

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January 15, 2022

5:1 epoxy
By DC from Monrovia Maryland

Verified Purchase

great product, easy to use. recommend the kit.


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January 11, 2022

Seems to be as good as any other 5:1 brands out there, for a
By Gus from Erie, PA

Verified Purchase

I've used this product in the workshop for a few years now and have no complaints. If mixed properly, it works as advertised. I've used it quite a bit lately with powdered colors to fill in and sand flush "in-lays" into picture frames.

Bottom Line Yes, I would recommend to a friend

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November 13, 2021

Great product, fast service
By Custabob from Logan Wv.

Verified Purchase

Been doing collision repair for years. But this is my first total transom replacement on my 20' bass boat, and these guys are hands down your one stop shop for boat repair materials and knowledge. The 5:1 epoxy kits with the pump kit are easy to use and by far the best choice for me!

Bottom Line Yes, I would recommend to a friend

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November 11, 2021

The product was great and the quick delivery was wonderful.
By Dan Webster from Decatur, Al.

Verified Purchase

The epoxy is great. Clear instructions for setting up the gallon jug and hardener pumps. I was also amazed as how quick the delivery was. I will definitely use them again and recommend them to others. THANKS!

Bottom Line Yes, I would recommend to a friend

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