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Perished Rubber Window Gaskets

Postby Tintin » Sun Jun 26, 2022 10:01 am

Hi All, I have wooden framed double glazing. The southern facing side has the lower rubbers perished, presumably due to weather and sunshine. To replace these would require "re-glazing", ie windows out, replace gaskets and back. This is impractical. I understand the fix is do remove perished rubber and fill with black silicon? Any thoughts? If this is the fix, any particular silicon? Anything to be careful of? Most grateful!
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Tintin
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Postby stoneyboy » Tue Jun 28, 2022 9:04 pm

Hi tintin,
If you can trim the rubber seal so as to retain a slope away from the glass finishing level with the frame. Use an acetoxy silicone sealant to form a coat on the trimmed rubber.
You will need to mask both the timber and glass the difficulty will be finding a masking tape which will effectively seal the wood grain. Perhaps try a fresh coat of varnish/stain to give a smooth sealed surface before you start.
Regards S
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Postby Tintin » Fri Jul 01, 2022 11:19 am

Thank you S. I was looking at Everbuild 450 but the manufacturer said it wasn't suitable for that purpose. I suspect they are being overcautious just in case...
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