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Product Details

Thixo Flex is a thickened epoxy adhesive that forms flexible, high-strength bonds on wood (even teak and other oily woods), fiberglass, metals, glass, & some plastics. Upon cure, it creates permanent, structural bonds that absorb shocks, stresses, & vibration.

This cartridge-dispensed non-sagging epoxy is great for building or restoring wooden boats prone to flexing during use, and movement from weather-related expansion & contraction. Thixo Flex can be applied to dry or damp surfaces in temperatures as low as 40°F. You'll appreciate the long working time & easy cleanup.

Handy cartridges fit most standard caulk guns. Use the included mixing tip to measure, mix, & dispense a bead that's the precise 1:1 mix of resin and hardener to get a proper cure each time. No need to measure, mix, or worry.

One 250ml cartridge includes 2 static mixing tips.

Note: For use in manual caulking guns only. Do not use with pneumatic gun.

Tech Specs
Specifications & Properties
Color Buff
Mix Ratio by Volume 1A (resin) to 1B (hardener)
Mix Ratio by Weight 1.2A (resin) : 1B (hardener)
Gel Time (100g mass) @ 72°F 40 minutes
Working Time (Thin Film) @ 72°F 75 minutes
Initial Cure Time @ 72°F 3-4 hours
Workable Cure Time @ 72°F Sandable in 7-10 hours
Cure Time for High Loads @ 72°F 24 hours
Minimum Recommended Temperature 40°
Tensile Strength 5,330 psi
Compressive Strength 7,200 psi
Flexural Strength 8,800 psi
Volumetric Shrinkage 3.5%
Hardness, Shore D 77
Info & Guides
Compare to two-part West System G/Flex 655. Thixo Flex is a better value, and is easier to use because the resin and hardener are contained inside a single cartridge that fits most standard caulking guns (sold separately). There's no measuring, mixing, or mess because the included static mixing tip measures, mixes, and dispenses the exact ratio automatically.

In addition, Thixo Flex has higher flex tolerances and lasts longer than flexible, one-part urethane adhesives and sealants.

Application Notes: Store Thixo Flex cartridges at room temperature (60-90°F) before use. Apply when the temperature of the ambient air and substrate is 40°F or warmer. When finished, leave the static mixing tip on the tube to cure. For the next application, simply remove and replace the tip. Do not attempt to clean the tips.

NOTE: Thixo cartridges have a slightly offset nozzle that fits most, but not all, caulk guns. Caulking applicators used with Thixo need to have a hole large enough for the mixing tip; cartridges won't fit applicators with only a small hole for the nozzle. For best results, use a caulk gun with an 8 to 1 thrust ratio or higher. For use in manual caulking guns only.

Technical Information

Features

  • Forms permanent, flexible bonds on fiberglass, glass, metal, plastic, and wood, including hardwoods that typically are a challenge to bond because of their natural oils.
  • Waterproof bonds hold firmly when subjected to contraction, expansion, shock, & vibration.
  • Convenient cartridge fits most standard caulk guns.
  • Static mixing tip fits firmly onto cartridge to easily mix, measure, and dispense the precise ratio of resin and hardener for you.
  • Apply to dry or damp surfaces.
  • Long working time of 75 minutes is ideal for larger projects that require extensive gluing.
  • Can be used in temperatures as cool as 40°F.
  • Buff-colored cured epoxy can be sanded and painted.

Reviews for TotalBoat Thixo Flex Flexible Epoxy Adhesive

10 of 28 Reviews

July 25, 2021

I would buy again.
By Tom Cothern from Lynn Haven fl

Verified Purchase

First time using did not get a good mix. I followed the instructions for a 3-4 inch line of epoxy and thought that was all. When I applied it started to turn brown, as it should, about 5 more inches into the repair. It would be nice to have more mixing tubes.

Bottom Line Yes, I would recommend to a friend

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July 9, 2021

I would buy this product Again if I need it again.
By Young from Pacifica California

Verified Purchase

strong,flexible,enough working time,

Bottom Line Yes, I would recommend to a friend

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May 27, 2021

Thixo Flex
By Santa Barbara classic boat restorations. from Santa Barbara, CA

Verified Purchase

I had an external crack in Gelcoat mid boat and removed a small section of the Gelcoat and fiberglass down to wood. I added a wood hardened I flex flex applied in one coat, sanded smooth. Smooth, really great product. Stuck hard to edges of Gelcoat. It didn't sag and I laid it on pretty thick.

Bottom Line Yes, I would recommend to a friend

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May 18, 2021

Another Great Gun for a Great Product
By Skipper Bill from Delmar, NY

Just reattached an 18" x 4" x 3" concrete trim piece which broke off the edge of my front porch floor slab. 1. Sure glad I read the reviews which recommended an 18 to 1 ratio of dispenser handle travel to plunger travel to make it easier to squeeze out the Thixo Flex. Don't know how you could do it with the standard 8 to 1 dispenser. But found an even better dispenser from "SolidWork." It has two selectable ratios, 12 to 1 and 24 to 1. I used 24 to 1. Made the job a piece of cake. 2. "When finished, leave the static mixing tip on the tube to cure. For the next application, simply remove and replace the tip." Quoted from the ThixoFlex cartridge instructions printed on the tube.

Bottom Line Yes, I would recommend to a friend

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May 18, 2021

Just what I needed.
By Jim from Wareham, MA

Verified Purchase

I watched Andy from Boatworks Today use this product on cracks in gelcoat and decided to give it a try. I am very pleased with the outcome so far and will be using it again on an extended project this fall.

Bottom Line Yes, I would recommend to a friend

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May 11, 2021

I WOULD USE THIS PRODUCT AGAIN
By LIBERTY from GRINDSTONE CITY, MICHIGAN

Verified Purchase

USING THE TOTAL BOAT TUBE EPOXY TO REPAIR A SECTION OF DECK THAT WAS REMOVED FOR REPAIR BELOW THE DECK..HAD A PROBLEM WITH ONE TUBE, IT DID NOT MIX WELL FOR ABOUT A QUATER OF THE TUBE. I DO NOT KNOW IF IT WAS THE TUBE OR THE MIXING TUBE THAT WAS THE PROBLEM.

Bottom Line Yes, I would recommend to a friend

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April 12, 2021

Great
By Canoe nut from Upstate new york

Verified Purchase

Great to get "premixed" epoxy but still some waste. Great for large projects that need at least 1/2 of a tube or more. Long open time. Needs a quality caulking gun to extrude the viscous epoxy

Bottom Line Yes, I would recommend to a friend

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December 25, 2020

Total Boat Thixo
By Larry from Gkenburn, Maine

Verified Purchase

I used the Thiso fast cure to reattach the deck on my 15' sailboat. The deck was completely separated from the hull and the external joint sanded clean. After cleaning the seam with Thixo the deck was clamped for 24 hours. The result was amazing. The boat weighs 400 lbs however I believe I could lift the whole boat just by the deck alone. I'm not going to try this but, the ddeck/hull joint is amazingly strong. This is a great product and I will continue using it.

Bottom Line Yes, I would recommend to a friend

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November 4, 2020

Great product, but you need to buy the right caulking gun
By Ken from Tahoe Vista (North Lake Tahoe), CA

Verified Purchase

I am using this product (16 tubes so far, with 6 more on the way) to fill cracks in our peeled log posts and railings on our porch and 3 small decks at North Lake Tahoe, CA. Sun, low humidity, snow and low temperatures have caused them to dry out and crack, with some cracks over a half-inch wide. I strongly recommend you buy the NYC-250 18:1 thrust caulking gun to push the 2-part epoxy through the mixing tube. It costs 3 times more than the NEW-111(10:1 thrust) that was first recommended to me, but it works 3 times faster and has never jammed like the NEW-111. Note that the tubes are only about one-third full. I check with a measuring tape from the bottom of the outer cylinder to the bottom of the inner one to determine how much is left. The tube is empty when the measurement is 4 inches. Haven't been through a cold winter yet, but the epoxy had no problems with a couple of nights at 24 degrees.

Bottom Line Yes, I would recommend to a friend

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October 25, 2020

Great Epoxy For Wood
By Ken from North Lake Tahoe, CA

Verified Purchase

I live in snow country at North Lake Tahoe, CA, elevation 6,300'. Many of us here have deck and porch railings and posts constructed with peeled logs 3" - 7" in diameter. Deep cracks occur in them after years of sun and snow and it is very expensive to replace them, so I was very lucky to discover Thixo Flex 2-part injectable epoxy. Although I'm having some challenges using the NEW111 10:1 ratio caulking gun, I'm optimistic about the NBC-250 18:1 ratio gun that I have ordered. Besides being strong, the epoxy is great since you can mask off anything that you don't want the epoxy to stick to. For me, I fold in half pieces of clear packaging tape, adhesive side to adhesive side, and tape pieces onto the bottom of the cracks and between the bottom of the posts and the Trex-like deck material under them with blue painters tape. Then I inject the epoxy, push it down to the tape on the bottom of the crack, let it dry and then pull out the tape easily. Haven't gone through winter yet, but it'll be 16F tonight and hopefully we'll have plenty of snow and cold nights this winter to test the repairs.

Bottom Line Yes, I would recommend to a friend

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