---
product_id: 741896528
title: "Polyester Structural Repair Putty (Gallon Kit)"
brand: "totalboat"
price: "NZ$670"
currency: NZD
in_stock: true
reviews_count: 5
category: "Total Boat"
url: https://www.desertcart.nz/products/741896528-polyester-structural-repair-putty-gallon-kit
store_origin: NZ
region: New Zealand
---

# Catalyst controls work time High strength & impact resistance 2-part fiber-polyester adhesive Polyester Structural Repair Putty (Gallon Kit)

**Brand:** totalboat
**Price:** NZ$670
**Availability:** ✅ In Stock

## Summary

> 🛠️ Fix it right, fix it strong — TotalBoat’s got your back!

## Quick Answers

- **What is this?** Polyester Structural Repair Putty (Gallon Kit) by totalboat
- **How much does it cost?** NZ$670 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/741896528-polyester-structural-repair-putty-gallon-kit)

## Best For

- totalboat enthusiasts

## Why This Product

- Trusted totalboat brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Marine & Beyond:** Ideal for hulls, decks, automotive, home repairs, and more—waterproof and durable above or below waterline.
- • **Precision Work Time Control:** Adjust catalyst levels (1-2% MEKP) to perfectly match your project pace without rush or waste.
- • **Smooth Application, Zero Sag:** Gel formula spreads evenly, fills bulk gaps without cracking or sagging, ensuring flawless finishes every time.
- • **Unmatched Structural Strength:** Long strand fiberglass blend delivers superior crack and impact resistance for lasting repairs.
- • **Trusted by Pros, Loved by DIYers:** Made in the USA with boater-tested quality, backed by 4.6-star reviews and proven performance.

## Overview

TotalBoat Polyester Structural Repair Putty is a two-part, fiber-reinforced polyester adhesive designed for high-strength bonding and impact-resistant repairs on fiberglass, wood, metal, and composites. Its unique resin and long strand fiberglass formula minimizes shrinkage and sagging, cures waterproof, and offers adjustable work time with included MEKP catalyst. Perfect for marine, automotive, and home structural repairs, this gel putty spreads smoothly and cures hard within 24 hours, delivering professional-grade durability and versatility.

## Description

TotalBoat polyester construction repair putty is suitable for hull to deck, stringer to hull liners, bulkhead bonding and bonding different composites, wood and metal parts where high strength structural bonding is important. The unique combination of high strength resin and long strand shredded fiberglass provides maximum cracking and impact resistance in larger clubs. Simply tap on one large shot to hold and harden. It spreads smoothly as a marine filler or fairing compound and quickly radius build. Quickly and easily repair fiberglass parts, molds, hulls, decks, canoes, kayaks, runners and more. This economical general purpose fiber filler can be used to fill sheet metal joints and fill cracks and cavities in wood, stone, concrete, and is also convenient for automotive and home repairs. TotalBoat Polyester Construction Repair Putty is waterproof and can be used over tap water but requires air desiccant to cure like PVA (Polyvinyl Alcohol), Gel Coat with wax, Polyester Finish Resin, Liquid Paraffin Wax Additive. If you need a cosmetic fairing for a repair finished with a Polyester Structural Repair Putty, apply the TotalBoat Polyester Fairing Compound over a Polyester Construction Repair Putty, cured and then polish to a smooth finish for paint or gelcoat. Compare to Merton's Hull and Deck, 3M High Strength Repair Filler, FCI Polyester Putty, Fiberglass Polyester Fairing Compound. TotalBoat polyester construction repair putty delivers superior strength and impact resistance for a better value. All TotalBoat products are developed by boaters for boaters. We know what works and what doesn't. 100% Made in the USA

Review: Good quality - Worked as expected.
Review: Goes on smooth, stays put and doesn't run, dries extremely hard! - After I reinforced a hole in the hull with fiberglass and resin, there was still a low spot. I figured it would take forever to keep filling it in with resin, plus the resin is extremely runny so it is hard to get it to stay in the low spot. I came across this putty and out of the can it is extremely workable, not runny, does not sag and stay put. Even mixing in the liquid hardener does not effect it or make it runny. I applied it to the hull and it literally took one coat and evened the low spot out. I mean it goes on so smooth, and you have plenty of time to work with it before it starts to get tacky. The price is very fair compared to other stuff like Bondo which they say you don't want to use for these types of repairs. I have yet to sand it, but it is extremely hard and nothing an orbital sander can't handle. Hope this review helps as I was going back and forth on what fiberglass to use.

## Features

- Two-part fiber-polyester construction adhesive for polyester laminate, structural filling, fairing and radius forming for high strength adhesion. Ideal for building & structural repairs of hull and deck
- A unique blend of high strength polyester resin and long strand milled fiberglass for strength and impact resistance. Minimal shrinkage. Bulk fill will not sag or crack
- In addition to binding, this multi-purpose fiber-reinforced marine filler can be used for marine applications, automotive repairs, home repairs, and many more
- Catalyst at 1-2% MEKP Control the amount of catalytic to easily control your work time. Easy to mix and apply
- Available in quart and gallon kits MEKP catalyst included. Use above or below the water line

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BR5VNH1 |
| Best Sellers Rank | #83,777 in Sporting Goods ( See Top 100 in Sporting Goods ) #125 in Boat Maintenance Supplies |
| Brand | TotalBoat |
| Brand Name | TotalBoat |
| Color | white |
| Colour | white |
| Compatible Material | Fiberglass |
| Container Type | Can |
| Customer Reviews | 4.6 out of 5 stars 831 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00811932023704 |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item form | Gel |
| Manufacturer | Jamestown Distributors |
| Material | Resin |
| Material Type | Resin |
| Model | 811932023704 |
| Other Special Features of the Product | High Strength Bonding, Impact Resistant |
| Part Number | 512952 |
| Special features | High Strength Bonding, Impact Resistant |
| Specific Uses For Product | Repair |
| Specific uses for product | Repair |
| UPC | 811932023704 |
| Unit Count | 1.0 Count |
| Volume | 128 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** TotalBoat
- **Item form:** Gel
- **Material:** Resin
- **Special features:** High Strength Bonding, Impact Resistant
- **Specific uses for product:** Repair

## Images

![Polyester Structural Repair Putty (Gallon Kit) - Image 1](https://m.media-amazon.com/images/I/71slwOjBwPL.jpg)

## Questions & Answers

**Q: If i used the entire gallon i assume i would use the entire bottle of catalyst. this would be for an art project. what di i add to make it pourable?**
A: Yes 2oz per gallon. You should have about 15 minutes depending on temperature before it starts to gel

**Q: Is there wax added in it?**
A: no wax .fast curing. Don't make a big batch... Great stuff, easy to work with.

**Q: I am doing a deck repair in my 68’ fiberform yellowstone.  can i use epoxy primer over the repair putty and to seal the plywood?**
A: Hi there,

Thank you for reaching out.

You can only put a coating other than Gelcoat/another polyester Laminating resin over the top of this product when it has been surface cured and prepped. The Polyester Structural repair putty stays tacky to receive other Polyester resin products. You would need to Seal it with Totalboat Polyester Finishing resin/Totalboat Polyester Fairing compound/Totalboat Gelcoat with wax/PVA then prep per primers instructions.

**Q: How much area will 1 qt cover?**
A: Honestly it depends on the thickness you need.  This is for filling small holes or building up areas that have been damaged, not for laying fiberglass down.  It will cure quickly so work in small batches.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by K***M on 17 August 2025*

Worked as expected.

### ⭐⭐⭐⭐⭐ Goes on smooth, stays put and doesn't run, dries extremely hard!
*by C***L on 15 May 2025*

After I reinforced a hole in the hull with fiberglass and resin, there was still a low spot. I figured it would take forever to keep filling it in with resin, plus the resin is extremely runny so it is hard to get it to stay in the low spot. I came across this putty and out of the can it is extremely workable, not runny, does not sag and stay put. Even mixing in the liquid hardener does not effect it or make it runny. I applied it to the hull and it literally took one coat and evened the low spot out. I mean it goes on so smooth, and you have plenty of time to work with it before it starts to get tacky. The price is very fair compared to other stuff like Bondo which they say you don't want to use for these types of repairs. I have yet to sand it, but it is extremely hard and nothing an orbital sander can't handle. Hope this review helps as I was going back and forth on what fiberglass to use.

### ⭐⭐⭐⭐⭐ Appears to be good quality
*by S***N on 3 April 2026*

I was fixing some holes in the boat and I’ve never actually used the polyester before. I usually use epoxy and personally in the future, I just will use epoxy and fiberglass. Nonetheless this does solidify well. This does appear very solid. I think it’s a good quality polyester, but I wouldn’t use it personally again.

## Frequently Bought Together

- TotalBoat Polyester Structural Repair Putty - Marine Grade Long Strand Fiber Fiberglass Reinforced Filler for Boat and Automotive Repair
- TotalBoat-14409 Marine Gelcoat for Boat Building, Repair and Composite Coatings (White, Quart with Wax)
- TotalBoat Polyester Fairing Compound (Gallon Kit)

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---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-06-08*