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Old 11-13-2018, 03:55 PM   #12
sdowney717
Guru
 
City: Seaford Va on Poquoson River, VA
Vessel Name: Old Glory
Vessel Model: 1970 Egg Harbor 37 extended salon model
Join Date: Jan 2016
Posts: 2,264
I used black Loctite roof and flashing polyurethane in a cartridge for my wood frames, turns into a soft rubber.
First though I smeared on a layer of epoxy onto the wood to seal the wood where the glass sits.

I don't agree with this idea of using some loose stuff so you can reseal it when it leaks.
All I did was caulk around the glass. Spaced the glass in the frame and filled the gap.
My windows are inset a little bit so I smoothed the interface with my finger. The stuff washes off with soap and water so easy cleanup.

If it leaks, just clean away the leaking seal and put on a new layer for that section. I have not had to do that.

Dap Dynaflex 230 acrylic latex caulk is also good stuff, but it will turn into a hard rubber seal. Comes in black and other colors. With wood to glass, it might be too hard of a rubber, wood and glass might move at too different of a rate, the seal may break. But wood to wood it is real good for seaming planks.
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