Revisions log for Answer #2679
This is the answer to the question Need tips on how to install your own IVM stone window sills on a clinker facade
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2022‑10‑07 19:05
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Never ever install exterior window sills yourself! Window sills are essential for the tightness of the facade and the professional installation often even "experts" do not want to succeed. To do it yourself would probably mean to lose the warranty on the (impact) rain tightness of the house itself. The risk would not be worth it to me.