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TOPIC: I Have An Existing Metal Roof and Have A Question

leaking penetrations

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I had a standing seam metal roof installed appropriately 2 years ago, over a a sound built up rolled roofing system. No history of leaks, ever. Within 6 months of installation, I began having leaks at penetrations. No bellows-type boots were used on the penetrations (gas, electric, stand pipe, kitchen stove vent, water). Instead, they were sealed with caulk. The contractor has come out and replaced nearly all the caulk, but I am worried that this problem will reoccur. No flashing was installed around my AC/furnace unit ductwork, that also penetrates, nor around 2 skylights, just caulk. What can / should I do? Thanks.

N. Kowalski
leaking penetrations

4/25/2018
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Or copy this URL: https://www.metalroofing.com/spirit/comment/23073/find/

You should ask him to install a Dektite or similar proper roof boot.

Caulking is a consumable and will fail in the long term.

Eric Novotny
Eric Novotny
An informed customer is the Best Customer!

4/25/2018
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Or copy this URL: https://www.metalroofing.com/spirit/comment/23076/find/

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