If you lay down the next layer before the cure has fully hardened you can forgo the sanding step.
How to lay fiberglass mat.
As noted above the fiber does not have to be glass.
Finish your project by coating with.
Fiberglass is the actual cloth or mat made up of glass fibers.
Clean up any tools or spills with a solvent containing acetone before the material hardens.
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In this video i show an example of laying fiberglass cloth in a mold that already has the gel coat painted in.
Acetone is great for.
Usa chop strand matting.
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Finishing the process 1.
For best results allow the first layer of resin and mat to cure for 2 to 4 hours before adding the next layer.
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Repeat the steps of applying mat and resin until the finished project is as thick as you want it.
Cut your fiberglass mat into six inch strips and lay them on the surface.
Run the resin soaked roller over the fiberglass mat soaking it thoroughly but not so much that the resin builds up and runs.