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We are looking at the potential purchase of
an existing home (built in 1994, Austin, TX) that
has a metal roof. However, it is mounted directly
to the roof framing/joists - i.e. no decking or
barrier of any kind. At a minimum, this seems
to lead to periodic water leakage (based on
visual eviedence) whenever screws/fastners
get periodically loosened/backed out.
It probably (my guess) is also more noisy
in wind and rain, and may be inefficient from
a heating/cooling perspective.
One recommendation was to completely replace
the roof - an unfortunate conclusion if true, since
the roof is only ten years old and the logistical
challenges of opening the house to the elements
during construction would be complex.
What is considered normal practice for metal
roof installation with regards to decking or
other barriers ? If it is generally
ill advised to install without decking, is replacement
the only viable option ?
Thanks,
Cat on a Hot Tin Roof, so to speak
Or copy this URL:
https://www.metalroofing.com/spirit/comment/2438/find/
There are many metal roofs suitable for installation over purlins/lathe.
Can you locate the manufacturer of the roofing and make this inquiry with them pertaining to the exact style of metal panels which you have on your new home?
Or copy this URL:
https://www.metalroofing.com/spirit/comment/2439/find/
Thanks for your reply.
We are trying to track down the builder,
roofing mfr, etc. to learn more of these
details. But if I understand the jargon
correctly, there is no lath involved - it is
just metal roof laid down directly on the
rafters/perlins, etc. The resulting condensation,
leaks through backed out fastners (of which
many loose fastners are visible even from the
ground), etc. are the reason for concern that
the roof was either improperly installed, or
that cost optimization (i.e. no decking or
any other barrier) is now leading to problems
that require replacement.
Or copy this URL:
https://www.metalroofing.com/spirit/comment/2440/find/
You are doing the right thing by tracking down the manufacturer. Let me know if I can help.
Is there any chance that improper or inadequate ventilation could be a contributing factor here?
11/13/2003
Or copy this URL: https://www.metalroofing.com/spirit/comment/2438/find/Isaiah Industries, Inc.
11/13/2003
Or copy this URL: https://www.metalroofing.com/spirit/comment/2439/find/11/14/2003
Or copy this URL: https://www.metalroofing.com/spirit/comment/2440/find/Isaiah Industries, Inc.
11/14/2003
Or copy this URL: https://www.metalroofing.com/spirit/comment/2441/find/