RE: Exhaust Fitting
Is the fitting in solid FRP or laminate?
ALL GRP or FRP is laminated , there are no fiberglass solid castings used on boats.
The resin is very week , and gets its strength from the layers of glass.
The unit on the link is SS with sometype of rubber to close it .
-- Edited by FF at 05:29, 2008-09-19
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