[Public-list] thickness of large portlights

[George Dinwiddie]

see http://alberg30.org/maintenance/HullDeck/Portlights/

J Bergquist wrote:
> What is the thickness for the large portlights in the cabin? I
> replaced the port side ones already with 3/16" Acrylite FF (which I
> think is Lexan). I am going to do the STBD ones now, but I need to
> know what thickness to get. When I did the port ones, I remember
> thinking that 3/16" was too thin, but it was what I had.
> 
> I was thinking 1/4" or maybe 5/16". Help appreciated.
> 
> Also, what kind of material is the best thing to use? Polycarbonate?
> Lexan? Are those the same thing? Plexiglass? I have found several
> different kinds of clear acrylic at www.mcmaster.com. Would appreciate
> any insight into what, exactly, is the best thing to use.
> 
> Finally, what kind of caulk is the best? I have heard that butyl
> rubber is the thing to use with Lexan because polysulfide will react
> with it in some unfavorable way...
> 
> Thoughts welcome!
> 
> J Bergquist

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   When I remember bygone days                         George Dinwiddie
   I think how evening follows morn;            gdinwiddie at alberg30.org
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   So many I love were not yet born.
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