Rob, some time back, someone mentioned using a Marine type sealant that would "Wick" its way into the seams, where you might have a leak. It was a liquid and fairly easy to use. RJ, was that you? Maybe it was Bassman? Anyway, the product was available from West Marine, and developed for Aluminum boats so it will wick into the loose joints and seal them tight. Anyone?? Jim Smith is our Yacht Builder, maybe he knows. Bill Scott
A little while ago there was some discussion here about how to smooth out Vulkem caulk and how to clean it up. FWIW, I've begun working with it some and have the following observations. 1) The instructions on the cartridges suggest "tool dry or with soapy water...." No matter how I try it, "dry" is a mess. Soapy water, on the other hand, does work pretty--well for smoothing: it does nothing for cleaning up the edges. 2) Paint thinner, Oil-Flow 141, and WD-40 will all smooth the bead *plus* they can help remove excess material and clean up the edges. I've been opting for WD-40 because it seems a little easier to use than the paint thinner and is a *lot* cheaper than the Oil-Flo. None of these, used judiciously, seem to affect the bond between the Vulkem and the aluminum--but that's obviously just a first impression, not the scientific results of a long term test. It (the Vulkem) is really not easy stuff to work with; I'd be happy to hear from anyone who's found better methods. Rob
