It might not seem apparent at first but one of the quickest ways to induce horrible (and indeed terminal) injury is to position screws (of any type materials or size) into the hull or deck of your boat. The resulting injury can literally cause the premature demise of a perfectly good boat that might otherwise last for one more twenty or extra years.
Basically we have to analyze why the whole idea is so wrong. Fibreglass is mainly glass (real glass) and plastic resin. If you tried to screw a screw into either glass or plastic resin you would quickly find out that the threads would smash the glass and plastic to minute smithereens throughout the screw threads. The ensuing hole turns into a perfect route for water, each salt and recent, to spiral its method down into the core of your deck or into the nicely furnished inside of your boat.
Initially it'll work. However, sealer (which is soft) will crack, dry out, squash and degrade from UV effects. Bit by bit it will steadily decay away, helped along by pushing, pulling, kicking and common pressure on the bit of hardware it is making an attempt to carry to the deck. So, in time, the seal fails and the leaks begin once more!
Generally inspired by the (preliminary) success of the non-leaking screws the enthusiastic owner will proceed to add dozens more culprits to the primary. The results can be horrendous (in time). He will find yourself with dozens of unsuspecting little waterways all filling up the glass layers or the foam core interior including water on the rate of fairly a few litres per yr. Visit https://www.automaticchina.com
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So, screwing into glass and foam cored decks is out. How about timber? No means! Same factor however a bit completely different. The timber fibres get squashed when a screw enters and finally combines with acids contained within the wooden. This rots the wooden and corrodes the screw and water sucks happily down into the boat to trigger destruction...so what can we do now?
There is fortunately an answer. It is nevertheless a extra time consuming course of and is mostly a bit of a ache however the benefits are just great. Many years in the past it was discovered that bonding of hardware to a boat was a really effective means of completely preventing a fastener (any fastener that is, canvas snaps, screws, bolts, self tappers and wooden screws) from ever leaking. And (joyful days!) there are several ways of doing the job.
The precise concept is to 'mattress' the fastener into epoxy and allow it to cure solidly across the fastener curing the propensity for detaching, coming loose, shearing, pulling and leaking ever once more. There are solutions for all fastener types and sizes, let us take a look at some.
Before drilling wood screws into timber or glass, drill a pilot gap shallower than the depth required. Coat the wood screw threads with epoxy after which fill the pilot gap with epoxy using a pipe cleaner or syringe (a printer ink refill plastic syringe is nice). Wait for bubbles to look, refill the opening with more epoxy then insert your wooden screw and screw up. Wipe off extra from across the screw head with acetone or thinners. Allow to cure.
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