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Explore the latest Epoxyworks 22 articles
Tips for Sign Builders & Everyone Else by Bruce Niederer — GBI Technical Advisor Above: Bonding fasteners in high-density urethane (HDU) foam calls for drilling an oversized hole slightly shallower than the fastener length and setting the fastener in an annulus of thickened epoxy. Many of our readers who are familiar with WEST SYSTEM® Epoxy […]
On Epoxy Adhesion to Metals by Brian Knight—GBI Technical Advisor Above: Surface treatment can make all the difference in epoxy adhesion to metal. Photo by Manny Becerra on Unsplash We have performed tens of thousands of adhesion tests over the years and many of these tests were done on metal surfaces. Below is a summary […]
for Fiberglass Boat Repair by Tom Pawlak — GBI Technical Advisor Above: Epoxy vs. polyester in a typical fiberglass boat repair cross-section. Even though we’ve been promoting the use of WEST SYSTEM® Epoxy for repairing fiberglass boats (boats made with polyester resin) in our manuals and Epoxyworks for many years, we continue to receive inquiries […]
by Jeff Wright — Vice President of Technical Services Most production fiberglass boats are made with polyester resin, and we’re often asked if it’s appropriate to use polyester gelcoat over epoxy. WEST SYSTEM® epoxy is a wonderful material for repairing polyester fiberglass boats. One reason for this is the ability of epoxy to form a […]
by Captain James R. Watson—GBI Technical Advisor Above: A handle trick when you want to cast an epoxy tabletop is to warm epoxy resin and hardener to 80° F to reduce viscosity, then let it pour from a puncture in your mixing cup. These steps will eliminate most bubbles behind. Pouring a thick coating of […]
