How do I fix a crack in a poly skylight ?
I have a crack that leaks in heavy rain storms, in an outer roof top sky light, and have tried over and over to seal it. Usually after the next long trip, the crack extends itself. Is there any...
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How old is the skylight? If it has some years on it then UV may be starting to get the best of it, and you'll fix one crack only to get another not long after. That's what happened with mine. Also, if the screws were installed to tightly it will be prone to cracking. Best thing to do is replace it.
