Whenever I through-bolt anything on my boat where there are two layers of hull/liner between my bolt and nut, I first drill a hole in one of the layers of fiberglass. I then pack into the hole enough epoxy putty (I use PC-7 or PC-10) to make a spacer. I pack a sufficient quantity to extend beyond the bolt opening. If I am using a 1/4" bolt I pack material in the space to fill an area of 1" in diameter. I allow this material to cure (24 hours) and I then drill my hole through both layers and the epoxy putty, install the piece of hardware, and bring it to light tension. Since I have no doubt used a bedding compound such as 3M's 5200 or some lesser adhesive material such as Life Caulk or Life Seal, I allow that material to cure (can take a few days to a week). Upon completing its cure, I then crank down on the fasteners compressing the bedding compound. I do this by tightening the nut so that the bolt does not turn thereby not breaking the compound's attachment to both the fastener and the boat. I have added many pieces of hardware to my boat and have never experienced a leak in all the years I have lived aboard (24 years). Additionally, whenever I add a backing plate to a piece of hardware, I always smear it with epoxy putty to allow it to distribute its load evenly against the surface to which it is attached. The sandwich is fool proof against moisture intrusion. David Hoyt In a message dated 6/19/2008 7:25:06 P.M. Eastern Daylight Time, [EMAIL PROTECTED] writes:
That's quite a setup. Mine won't be as substantial, but I am looking forward to the extra "basement". I guess my quandry is how do you stick that all on the transom, bolting it on with the double wall construction in the aft compartment. Also, boats are stuff that dreams are made of and a ticket to adventure. We all have dreams. Thanks for your help. Brad ----- Original Message ----- From: [EMAIL PROTECTED] (mailto:[EMAIL PROTECTED]) To: [EMAIL PROTECTED] (mailto:[email protected]) Sent: Thursday, June 19, 2008 3:37 AM Subject: Re: catalina27-talk: Mounting outboard bracket but it is home and it has traveled to more places than you can imagine in your wildest dreams. In a message dated 6/19/2008 1:45:46 A.M. Eastern Daylight Time, [EMAIL PROTECTED] (mailto:[EMAIL PROTECTED]) writes: That's one ugly boat. ____________________________________ Gas prices getting you down? Search AOL Autos for fuel-efficient _used cars_ (http://autos.aol.com/used?ncid=aolaut00050000000007) . ____________________________________ Gas prices getting you down? Search AOL Autos for fuel-efficient _used cars_ (http://autos.aol.com/used?ncid=aolaut00050000000007) . **************Gas prices getting you down? Search AOL Autos for fuel-efficient used cars. (http://autos.aol.com/used?ncid=aolaut00050000000007)
