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Of the people recommending Silicone...
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Butyl or 4200 for rebidding overhead hatches
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have many have used butyl? My guess is zero.
Butyl is better for this application. Have used both.
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Butyl or 4200 for rebidding overhead hatches
How long did the silicone work?
Yes. Maybe 20 years.
Well, that's a testament to working.
I have had butyl tape sort of "ooze" out of the joint over time
Butyl oozing
Butyl gets my vote.
ditto
agree
If it were me, it would be Butyl. You can get it from MaineSail who ...
2nd that: "not tighten it down after cure"
Of the people recommending Silicone...
Silicone is not allowed aboard my boat. After
Charlie, its a concealed aluminum to fiberglass seal?
I'd go with the 4200. I'm not sold on butyl conceptually but have not used it 'cuz of that.
Again, if it is in the sun, use 4000 UV, not 4200 - unless you like the yellowing look of 4200
Thanks for all the advice - going to try butyl + monofilament
Karl...
Thanks.
Not necessary...
One more question. . .
I'd do two strips
Lay them parallel to one another..
OK, how do I know if I need more thickness?
Sometime the hatch isn't on a completly flat surface.
If you have an uneven surface
Great article! I bookmarked for someday off in the future!
Hear, hear!