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GT40Marine Black Gel Coat Repair Kit for Fiberglass, 1 oz

$60.00 (Price correct as of 10/29/2026 19:11 PDT · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

GT40Marine Black Gel Coat Repair Kit is a 1 oz kit for fiberglass chips, scratches, and deep cracks. It is limited to above-the-waterline use. The listed repair surfaces also include carbon fiber, aluminum, PVC, acrylic, and plastic. A mixing stick and hardener are included, and no additional primer is needed. Clean and prepare the surface, then mix and apply according to the included instructions; allow it to cure fully before sanding and polishing. Confirm the factory color name and test a small hidden area before visible application.

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SKU: B0C2JMST2K Category:

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Quick Summary

The GT40Marine Black Gel Coat Repair Kit is a 1 oz kit for fiberglass chips, scratches, and deep cracks. It is for above-the-waterline use only, so check the repair location before choosing it.

Key Details

Detail Product information and buyer relevance
Color and size Black; 1 oz.
Stated repair use Fiberglass chips, scratches, and deep cracks; above-the-waterline use only.
Primer No additional primer is needed.
Included items Mixing stick and hardener.

What to Compare Before Buying

  • Repair location: This kit is limited to above-the-waterline use. Do not select it for a repair below the waterline.
  • Color match: Confirm the factory color name and test a small hidden area before applying it where visible.
  • Surface: Check whether the repair material is suitable for your specific surface and repair. The listed surfaces are noted below.

Compatibility, Size and Fit

In addition to fiberglass, the product description lists chip repair on carbon fiber, aluminum, PVC, acrylic, and plastic. Confirm that the intended repair and surface fall within the stated use. The above-the-waterline restriction still applies.

What Is Included

The kit includes a mixing stick and hardener. The source does not specify other included items.

Setup and Correct Use

Clean and prepare the surface, then mix and apply the kit according to its included instructions. Allow it to cure fully before sanding and polishing. Follow the instructions for the exact preparation and application details.

Before You Decide

Confirm the 1 oz size and black color, check the color match on a hidden area, and make sure the repair is above the waterline and on a listed surface.

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