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Alu Sill End Caps

hesker · 2023-10-16 11:59:32

I see a lot of providers of aluminium window sills employ end caps that allow for expansion/contraction. Some manufacturers make cills with a fully welded upstand. Are there cases where this would be acceptable and present little risk to plaster cracking. I am asking in relation to an EWI project with silicone render…

16-10-2023 11:59am

#1

hesker

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Join Date: October 2005

Posts: 1443

I see a lot of providers of aluminium window sills employ end caps that allow for expansion/contraction.
Some manufacturers make cills with a fully welded upstand. Are there cases where this would be acceptable and present little risk to plaster cracking.
I am asking in relation to an EWI project with silicone render finish.

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