Cruising Sailors Forum Archive

Messages In This Thread

• 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!