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I just had a standing seamed roof installed. It went over a n existing composition roof. This project included removing a chimney and 4 of those 1'x1' plastic roof vents. I looked up in the attic over the weekend, and there is no tar paper let alone other patching over the holes where the chimney or vents were. In short I can see the underside of my metal in those spots. The agreement called for 30# felt ontop of the comp. but now that the metal is already down my contractor is trying to tell me that the felt wasn't required.
Is this a sound roof or a botch job in your opinion?
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"botch job" might be an exaggeration.
However, I like to see underlayment between the asphalt and the standing seam as I am concerned that expansion and contraction of the metal will abrade against the gritty asphalt surface over time, possibly damaging the back of the metal panels.
That said, here at my place we recently removed a through-fastened steel roof that was installed directly over asphalt shingles approximately 40 years ago. The back side of the metal was just fine. (We removed the roof because the building was undergoing a major remodeling project.)
I would suggest going to the manufacturer of your roofing and making this inquiry.
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Similar question about the quality of my roof installation. 3/4" X 3.5" lengths of board were used as sheathing instead of plywood. They were used to support a shake roof that was installed in 1961 and was removed in order to instal the new metal roof. Next styrofoam blocks were added. Felt was put on next and then the metal roof.
The vent cap along the top of the roof is not straight when standing on the roof and looking down it from one end. From the street you can see it in some places and not see it in others. The cap is crooked and meanders, in other words.
Clear silicone caulk was used in places where there were gaps between sheets of metal but not in other places where there remain gaps of varying width. There are lots of gaps.
There are places along the gutters where water hits bare wood. Are there inspecters a homeowner can hire to inpect a metal roof in order to know whether or not it has been installed properly?
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I would suggest going back to the manufacturer of the roofing ... they have a veste dinterest in making sure their customers are satisfied.
Also, feel free to email direct to me ... I might have some suggestions as to local experts you could contact ... let me know where you live ... feel free to email me roof pictures as well if you wish.
[email protected]
10/18/2004
Or copy this URL: https://www.metalroofing.com/spirit/comment/4364/find/10/18/2004
Or copy this URL: https://www.metalroofing.com/spirit/comment/4365/find/3/7/2005
Or copy this URL: https://www.metalroofing.com/spirit/comment/4366/find/Isaiah Industries, Inc.
3/7/2005
Or copy this URL: https://www.metalroofing.com/spirit/comment/4367/find/