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Build A Surfboard Episode 3: Laminating and Vacuum Bagging

Step 5Wetting Out the Glass

Wetting Out the Glass
When you put the resin on the glass it's important to get just the right amount.
The wrinkles you see here are not a problem. As long as the glass lays flat it's easy to sand off ridges of resin.

Johnny only put resin on the area around the bamboo. He's pointing to the dry area of the cloth. The rest of the cloth is left dry. He'll put resin on that in a separate operation. Fully wet or fully dry is okay. The problem comes when a layup is "starved".

If the layup is "starved" there will be areas of cloth not fully saturated with resin. The second photo shows a small area like this. If the layup is starved you'll see the diamond pattern of the cloth weave. The solution is to push resin in and bubbles out with a squeegee.

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Author:TimAnderson
Tim Anderson is the author of the "Heirloom Technology" column in Make Magazine. He is co-founder of www.zcorp.com, manufacturers of "3D Printer" output devices. His detailed drawings of traditional ...
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