By Terry Monville – GBI Technical Advisor
Typically, when a fastener fails on a boat, it pulls out of the wood or fiberglass that it was screwed into. There are many causes for this failure: shock loading, fatigued from being pulled on one too many times, or moisture softening the wood. Let’s take a look at how using WEST SYSTEM® Epoxy can improve the holding power of a fastener in wood to give you fewer troubles on the water.
It all started when I got a tech call from somebody asking if WEST SYSTEM® 105/206 would accept a nail pounded into it, after it was cured, with no pilot hole. I confidently said that it would not work well and in most cases, it would fracture the epoxy. Just for fun, I went out in the shop and tried it because even though we all pretty much agreed it wouldn’t work, nobody had ever actually done it. Well, we were right—the nail caused a “brittle” failure. Continue reading