How to Use Glassfibre Matting & Resin

Written by brenda priddy
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How to Use Glassfibre Matting & Resin
Boats are often covered in glass fibre matting. (Canoes image by fischerfotographik from

Glass fibre matting is made from tiny glass fibres strung together to create a durable and flexible matting. Glass fibre usually works in conjunction with an epoxy resin to smooth the fibre sheets and to bond the sheets to each other and the base surface. Installing glass fibre matting doesn't take long, but it does entail some safety issues, as well as proper care and preparation.

Skill level:

Things you need

  • Rubber gloves
  • Two-part epoxy resin
  • Glass fibre sheets
  • Scissors
  • Foam roller
  • Metal roller

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  1. 1

    Mix the epoxy resin according to the package directions. Usually the resin will come with a catalyst dispensing syringe to help measure the amount of resin to use. Typically, you use between 10 to 30 CCs of hardening catalyst for each litre of resin. Keep in mind that resin hardens between 30 and 45 minutes after mixing, so only mix enough resin that you can work with in that time period.

  2. 2

    Put on the rubber gloves. Cut the glass fibre sheets to the correct size and shape.

  3. 3

    Coat the base object with resin by dipping the roller into the resin and brushing it onto the surface. Allow the resin to dry for two hours.

  4. 4

    Roll on a second coat of resin. While the resin is still wet, place a glass fibre sheet over the resin. Roll on enough resin over the glass fibre sheet to stick it to the surface.

  5. 5

    Add another layer of glass fibre over the previous sheet. Apply enough resin to the top of the sheet to stick it to the first sheet. Roll over the fibre sheets with the metal roller to bond them together and smooth out any air bubbles. Continue to add fibre layers until you have four or five layers of glass fibre. Allow the resin to dry until you can touch it without it feeling sticky.

  6. 6

    Apply another coat of resin over the glass fibre sheets to fill in the holes. Allow the resin to dry for two hours.

  7. 7

    Apply one last finish coat over the glass fibre. Allow this coat to dry for 24 hours before using the object.

Tips and warnings

  • Always wear gloves when working with glass fibre matting to protect your skin from the tiny glass fibres which can penetrate the skin and cause itching and pain.

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