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Late last fall a metal roof was installed on a mountain home in Utah. Old cedar shakes were stripped and an underlayment was installed - (not sure what brand or type) overlayed by the metal roofing. During the winter there was a faint odor, but now that it is warming up, there is a much stronger odor in the house.
We first suspected a septic issue, but the smell is more of a petro-chemical, sweet, tar like odor. We found a scrap of the underlayment and it has a similar smell. We suspect this is the problem but are clueless on our options to remedy this problem.
We would be grateful for any insight your experts can provide. Is this a common problem? Should there have been a barrier layer installed between the underlayment and the bare roof? Is there more information I can provide to help in qualifying this inquiry?
The roofing firm has not responded to our inquiry as yet, but we'd like to have more information in preparation for discussion.
Thank You
Or copy this URL:
https://www.metalroofing.com/spirit/comment/15922/find/
Normally underlayment is applied direct to the roof deck and in fact many underlayment manufacturers require that.
Do you know what the underlayment product is so that perhaps you can contact its manufacturer?
I have never run into this before.
Thanks.
5/26/2011
Or copy this URL: https://www.metalroofing.com/spirit/comment/15922/find/Isaiah Industries, Inc.
5/26/2011
Or copy this URL: https://www.metalroofing.com/spirit/comment/15923/find/