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I used a Sikaflex product to "glue" two tempered glass windows (about two
feet on a side) onto the front of my aluminum pilothouse. I don't remember
the number but it was black. There was a 1 1/4" overlap of the glass over
the aluminum with 1/8" spacing wires to insure 1/8" of the Sikaflex between
the glass and the aluminum.
It seemed to work fine for a year or two, but one day anchored in St
Augustine I was in the saloon when I heard a bang on deck and saw a splash
out of the corner of my eye. The wind had been blowing from astern. When
I went on deck I found the glass missing out of one of the two glued
windows with the bedding still attached to the aluminum. I got out the
patterns and drilled nine holes through both patterns and aluminum then
took a ride to the glass supplier. Some time later my two formerly
glued-on glass was bolted on with the old glue serving as bedding. No
further problems.
One window in the saloon that I glued in with 5200 about 7 or 9 years ago
has come loose when I pushed on it.
Although I once felt that a good, strong, glue like 5200 would be
sufficient to install windows in a boat, I no longer feel that way.
Norm
S/V Bandersnatch
Lying Bohemia River MD
> [Original Message]
> From: Lee Haefele <>
> To: Live-Aboard at Crux dot Astro. Utoronto. Ca
<>
> Date: 9/16/2007 10:11:55 AM
> Subject: lv-ab: Window rebedding?
>
> I need to rebed some large (48" X 16" oval) plastic side windows. These
are
> mounted in a recessed area in caulk with a 3/8" foam tape backing, no
screws
> or trim. I am looking for a source for Dow Corning 795 caulk, reputed to
be
> the best, but may need to settle for locally available GE Silicone II.
> Can anyone that has done this before advise me on how the job will go?
> Will the foam backing tape tear out with the window and need replacement?
> Any special process to remove the window other than slicing the caulk
with a
> utility knife?
> Lee Haefele
> Leopard 38 Catamaran "Alesto 2"
> soon to be headed to Bahamas from Ithaca, NY
>
>
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