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Explore the latest Epoxyworks 17 articles
A Wood and Epoxy 3-Masted Barque by Kay Harley Tenacious, the Jubilee Sailing Trust’s (JST) new wood/WEST SYSTEM Epoxy, 3-masted barque, underwent sea trials that began in June 2000. It offered a full schedule of tall ship voyages to Spain and the Canary Islands over the winter, with spring and summer trips to Brittany, Ireland, […]
For Paints and Primers by Joe Parker Above: Surface prep testing using ASTM D3359. This calls for a single-edged razor blade to score a pattern through the coating. Applying a strip of masking tape diagonally across the pattern, then pulling it slowly back over itself will reveal the relative degree of adhesion to the substrate […]
Sister Beams Reinforce a Sagging Ceiling by Patrick Ropp—GBI Technical Advisor Above: The sister beams reinforce the failing ceiling beam to easily carry the load, with capacity to scare. Rebar is embedded into the bottom surface of the sister beams where the tensile load is at its maximum. (Figure 6) While working in my shop/converted […]
By Tom Pawlak — GBI Technical Advisor Gelcoat blisters can be a serious problem if left unattended. At some point, your hull may need extensive repair, including gelcoat removal and epoxy barrier coats as described in Gelcoat Blisters: Diagnosis, Repair & Prevention. However, if you have isolated blisters and a manageable number to repair individually, we […]
by Captain James R. Watson Above: For wet sanding epoxy, a typical grit sequence for smoothing an already flat surface would be 80 or 100 grit, then 150 or 180 grit, and finally 220 grit. Wet sanding with waterproof sandpaper is often the best approach to sanding cured epoxy. Wet sanding epoxy emoves any amine blush […]
