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TotalBoat Polyester Structural Repair Putty makes critical bonding applications on polyester laminates easy, strong, and permanent. Its trowelable, thixotropic formula spreads smoothly & won't sag, making it great for fairing vertical surfaces. Polyester Structural Repair Putty is also easy to shape, so it's ideal for radius forming.
Reinforced with long strand milled glass fibers, this high-strength, fast-setting marine bonding putty adds strength & dimensional stability to structural, boat building & repair applications including bedding and tooling. Great for reinforced bonding on hulls, decks & stringers, and multi-purpose bonding on FRP composites, core materials, and wood. Add 1-2% MEKP catalyst based on mass, ambient conditions, and desired working time.
Available in Quart and Gallon Kits that include MEKP catalyst, and 1 spreader.
| Technical Specifications | TotalBoat Polyester Structural Repair Putty |
|---|---|
| Application Temperature | 50°F - 95°F |
| Catalyst | Catalyze with 1-2% MEKP, based on mass, ambient conditions, and desired working time. More catalyst will shorten working time, but will maintain working time at cooler temperatures. |
| Working Time | For a 100g mass, catalyze with 1% MEKP for approximately 15-20 minutes of working time at 70°F (14 drops of MEKP catalyst per ounce of Polyester Structural Repair Putty). |
| Cure Time | Dependent on temperature, catalyst amount, and mass of putty. For example, cure time will be 20-30 minutes for 100g mass catalyzed with 1% MEKP @ 77°F |
| Weight | 8.9-9.1 lbs./gal. |
| Shelf Life/Stability | Approximately 3-4 months (can be longer, depending on storage conditions). Keep container closed tightly, and store in a cool (below 75°F), well-ventilated place. |
Great for Structural Bonding, Filling, & Fairing Above or Below the Waterline
TotalBoat Polyester Structural Repair Putty uses a premium resin reinforced with long strand milled glass fibers for strength and impact resistance. In addition to structural bonding, bedding, and tooling applications, it's perfect for filling larger voids and gouges that are too deep for cosmetic fairing compound.
This high-strength polyester putty is engineered for structural bonding, filling, & fairing, not for cosmetic filling and fairing. For cosmetic fairing and repairs requiring a fine finish, use TotalBoat Polyester Fairing Compound over cured Polyester Structural Repair Putty. Allow the Polyester Fairing Compound to cure, then sand to achieve an extremely smooth surface ready for gelcoat or paint.
IMPORTANT!
TotalBoat Polyester Structural Repair Putty will not cure in air, and requires overcoating with an air dry material such as PVA (polyvinyl alcohol), paraffin wax, polyester resin with wax, gelcoat with wax, or TotalBoat Polyester Fairing Compound, in order to effect a proper cure.Technical Information
TotalBoat Polyester Structural Repair Putty Features
- Provides high strength, dimensional stability, and flexibility.
- Forms strong primary bonds with polyester & vinylester laminates.
- Easy to mix and easy to use.
- Spreads evenly, no sagging.
- Sets up quickly.
- Minimal shrinkage.
- Use above or below the waterline.
Uses for TotalBoat Polyester Structural Repair Putty
- Bonding polyester laminates
- Structural repairs
- Filling and fairing
- Radius forming
Important Safety Information
WARNING: This product can expose you to chemicals including styrene, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.govAlways wear protective gloves, protective clothing, eye protection, and face protection when working with TotalBoat Polyester Structural Repair Putty. Personal protective clothing should include appropriate gloves, safety glasses or goggles, a proper respirator, and a proper apron or similar protective clothing. Keep away from heat, hot surfaces, sparks, open flames, and other ignition sources. No smoking. Only use outdoors or in a well-ventilated area. Store in a cool, well-ventilated place (below 75°F). Do not handle until all safety precautions have been read and understood.
Shelf Life
Polyester resins have a limited shelf life and will, over time, harden in the container without the addition of catalyst. Shelf life is dependent on a number of factors such as product formulation and storage conditions. As a general rule, the shelf life for uncatalyzed polyester resins should be up to 6 months when stored in dry, cool conditions below 70°F. Warm to above 60°F before use.
Reviews for TotalBoat Polyester Structural Repair Putty
February 5, 2023
Verified Purchase
Easy to use and hardness like a rock. Simple mixing and sets in good time.
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January 14, 2023
Verified Purchase
Work extremely well. Will be using this for all my structural bonding with polyester!
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January 13, 2023
Worked great for me no Shrinking or Cracks in my Repairs. Used this to Bed the Stringers in my boat and the Bulkheads to the bottom of the boat. Then fiberglass it all in after it was dry.
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December 26, 2022
Verified Purchase
Used to fill in around transom drain plug during repair of rotten wood core section. Stuff mixes easy, and has plenty of pot life. BUT, and unfortunately it's a big deal breaker.... This stuff cracks while it cures! Did not seem to matter if I mixed it as instructed, or if I went light on the reactant. It always cracked. It appears the cracks are due to this stuff shrinking as it cures. Does not matter if the polyester is waterproof, because the water will just flow thru the cracks. I had to drill into the cracks in order to open them up enough to inject additional filler. And if any spots were thicker than about 1/2", odds are there was another crack! If you do use this stuff, make sure to build a full layer of fiberglass over any repairs. Do not trust this stuff to keep water out - it's just a gap filler that won't rot, but it's not water tight reliable.
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November 16, 2022
Verified Purchase
Easy to use dries hard and sands, does NOT sag or drip while setting up. Good product, minimal shrinkage when dry.
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May 30, 2022
Verified Purchase
Saves a lot of time, perfect consistency for vertical layups. Does not run, even when filling larger gaps.
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May 28, 2022
Verified Purchase
The perfect product for my fiberglass pool repair. 30 year old pool had 2 major cracks repaired. Easy to use, also.
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January 10, 2022
Verified Purchase
this is the easiest product to use for strength and Waterproof,
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October 22, 2021
Verified Purchase
Good product easy to used sets up well minimal shrinkage and sands well. Odor is one side effect, strong initial odor from product but dissipates when hardens
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August 5, 2021
Verified Purchase
Goes on easily and fills voids in tough to reach areas. The product work excellent.
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