[quote=Edchris177]I didn't know there was a special marine version of the stuff, I thought butyl was butyl. I have several rolls of it left over from changing a bunch of windows. When the seals went on some units we went to argon filled, reflective units. A window company built the new glass units for very reasonable cost, & told me to use butyl tape around the perimeter, maneuver the sealed units into place using suction cup hand grips, press around the edges, then replace the trim.
He claimed the tape was enough adhesion to hold against wind pressure, they would never leak even in hurricane conditions, & if you ever have to replace the sealed unit again due to breakage, the stuff comes off with a putty knife.
I think I'll test some of it on some fittings on my Invitation. The stuff from the window company was only about $10/roll.[/quote]
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