Fred,
The VHB tape with DOW Corning 795 Silicone Sealant is starting to look
like and attractive method. I am replacing the windows over the winter,
also. We should keep in touch. Do I assume you would use the gray VHB
tape with the gray silicone sealant? I am wondering if the VHB tape will
be a problem with peel. My cabin sides are curved, so the windows will
have to be bent slightly to conform to the side of the cabin. I wonder if
that will be a problem with the 3/8" thick acrylic trying to return to a
flat shape?
Gary
~~~~~~~_/)~~~~~~
On Wed, Oct 21, 2015 at 2:03 PM, Frederick G Street via CnC-List <
[email protected]> wrote:
> Gary — I’m going to be replacing the fixed windows on my LF38 over the
> winter. I’ve done the Plexus thing twice now (previous boat); this time,
> I’m going to try the VHB tape with Dow 795 approach, like Paul did on
> Johanna Rose: http://svjohannarose.blogspot.com/search/label/NewPorts.
>
> I’ll be using 3/8” bronze acrylic with a chamfer to the outside edge.
>
> — Fred
>
> Fred Street -- Minneapolis
> S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^(
>
> On Oct 21, 2015, at 12:45 PM, Gary Russell via CnC-List <
> [email protected]> wrote:
>
> Hi Paul,
> I agree that 1/4" is too thin. The other 37+ at my club has 5/16"
> It amazes me that people with no marine design experience would change the
> design. I plan to go with 3/8" acrylic. But then again...
>
> The problem with Lexan (which is a polycarbonate) is that it is less
> scratch resistant than Plexiglas (acrylic). You are probably trading one
> problem for another.
>
> As for Plexus vs Silka 295, I am really torn. The write-up in the
> Photo Album suggest that Plexus will be flexible enough if (big if) the
> bond thickness is large enough. To that end he added glass beads to the
> adhesive to make sure the bond thickness didn't get thinner than 0.030".
>
> Thoughts, anyone?
>
> Gary
> S/V High Maintenance
> '90 C&C 37 Plus
> East Greenwich, RI, USA
>
>
>
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