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Latest articles by Tom Pawlak
By Tom Pawlak — GBI Technical Advisor Occasionally we receive calls from people who want to remove fiberglass cloth from wooden structures. The fiberglass on the bottom of a stripper canoe has worn out or the fiberglass and polyester on the deck of an older wooden sailboat has delaminated. The techniques described here work well for […]
By Tom Pawlak — GBI Technical Advisor In the past, we’ve recommended applying an alkyd base primer over well-cured, clean, and sanded epoxy surfaces. We wanted to know how this primer compared to the newer, fast drying primers now available. We recently did a study of various house paint primers over epoxy to support the growing […]
By Tom Pawlak — GBI Technical Advisor There are many ways to machine scarf bevels on plywood panels. The best method depends on how many scarf joints your project requires. If you need to scarf only two sheets of 3mm plywood, using a block plane and sanding block is a good low cost option. If you […]
By Tom Pawlak — GBI Technical Advisor A vacuum hold-down feature can be incorporated into a table to hold individual sheets of plywood in place while you machine scarf bevels. This feature works especially well when using the router box technique described in the scarfing article. You’ll need a fairly large vacuum pump. We use an […]
By Tom Pawlak — GBI Technical Advisor Working with fiberglass fabrics can cause skin irritations ranging from minor itching to a serious rash. It’s caused by microscopic, needle-like fiberglass spindles of that prick your skin. It helps to protect your skin with gloves and long or disposable protective sleeves, but here is what to do if […]
