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What Do You Need To Know About Peel Ply Vacuum Bagging?

Author: Jackson Willam
by Jackson Willam
Posted: Apr 16, 2020

Peel ply is often talked about by boat enthusiasts as something of a miracle fabric. This nylon cloth has been treated with a release agent so that epoxy will not bond to it. It is basically applied over a wet laminated surface and then peeled off when everything is curved.

After that, it reveals a beautiful even surface underneath that's ready for the next layer of epoxy. It is ideal to find a supplier for buying the best quality of peel ply vacuum bagging ( In actual fact, although the finish looks even, it is actually textured. The fine weave of the fabric leaves behind tiny bumps and valleys in the cured epoxy and it's these that your next layer of epoxy will adhere to. Here you can see the using process and the benefits of peel ply.

Using the Process of Peel Ply:

You can basically use peel ply over the top of fiberglass cloth. Here is some general-purpose you'd follow:

  • Apply your fiberglass to your surface with epoxy and a plastic squeegee and make sure you get it out thoroughly.
  • Layover your peel ply and smooth it out with your squeegee.
  • After achieving the consistent color surface, leave it to cure. it is necessary to ensure that the peel ply is in full contact with the underlying epoxy surface, because of there are any air pockets between the peel ply this will affect the adhesion to the next layer of epoxy.
  • Once cured, simply pull the peel ply away to reveal the perfect surface for your next layer of epoxy.
  • The Benefit of Peel Ply:

    Protect The Integrity of Fiberglass

    Using peel play means that no sanding is desired and that's important for the fiber glassed surface. Sanding fiberglass is very difficult because you need to be careful not to damage the weave of the fabric and grow weaker your whole structure. It is also not probable to sand or cleans a surface that's been fiber glassed without peel ply because of the risk of amine blush being fascinated in the weave of the cloth. Peel play eliminates this problem.

    It Removes Amine Blush

    Amine blush is a waxy by-product of epoxy that forms when the surroundings that the epoxy is curing in is colder or damper than it should be. This is not generally anything to worry about as on most surface it can easily be washed away,although this is not easy to do on a textured fiberglass finish.

    So the reason is to use peel ply. Any amine blush that forms will be on the exterior of the peel ply. Formerly the epoxy has cured you can take away the peel ply to reveal it clean, amine-blush free surface.

    It's Great for Repairs

    Adding a layer of peel ply will also help to compact and consolidate any finer glass repair work. And it also helps to feather out the edges of the repair. It provides an extra layer of support to the fabric and filter materials underneath and will offer a nice even finish.


    Peel ply is best on larger flatter surface and when you applied over a tight curve or corners care should be taken to make sure wrinkles are not left in the peel ply that would result in wrinkles of epoxy which will take a lot of sanding to remove. You can find a composite supplier for buying the high-quality peel ply vacuum bagging at reasonable prices.

    About the Author

    A Search Engine Optimization (SEO) Specialist analyzes, reviews and implements changes to websites so they are optimized for search engines.

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    Author: Jackson Willam

    Jackson Willam

    Member since: Apr 13, 2020
    Published articles: 27

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