This is an old school technique for finding a boat leak. i do not recommend this unless the leak is a proven mystery! it does work as you can see.. This article deals primarily with sailboat leak problems. however, the principles and methods discussed here apply equally well to power boats. it's a fact of life that boats leak. it's also true that as boats age, leaks tend to increase for he simple reason that sailing yachts are under a lot of stress.. Sealer 5200 and sikaflex are the usual bedding compounds to seal between fibreglass and wood, metal, and other fibreglass or plastics. they are both high quality polysulphide. anyone who says these products will never leak if applied properly has not had much experience in boat repair..
The leaks usually develop because the seal between the window frame and the fiberglass part of the boat has broken. the break in the seal can be so small that you can't even see it. this is because of the capillary effect, which draws water into the smallest of cracks and more or less acts as a water pump to keep bringing water in.. There are several materials you can use to repair a fiberglass boat, but for the inexperienced boat owner, it is best to buy a repair kit. start by taping a piece of formica or plexiglas to the inner surface of the boat, making sure to cover the hole thoroughly. this will serve as backing.. To magazine home page. boat sealants. by don casey. perfect technique can't make up for the wrong sealant. if you really want to stop that leak, start by getting the sealant right..
Fiberglass Boat Leak Sealer