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Old 09-22-2015, 09:01 PM
1,156 posts, read 2,289,813 times
Reputation: 3401


I'm just curious as to the reason for metal roofs in Tn. Just looking thru some zillow ads I was surprised to see more than a few metal roofs. I always thought is was for snow to melt off up in Vermont and Maine- is it the same reason in TN? Do you actually have enough snow to warrant having a metal roof?

Old 09-22-2015, 09:03 PM
Location: Sugarmill Woods , FL
6,235 posts, read 5,386,899 times
Reputation: 13586
Fire proof.
Old 09-23-2015, 05:55 AM
5,113 posts, read 4,762,828 times
Reputation: 1722
Some of my neighbors have the metal roof but not mine. To me there are more disadvantages than advantages.
Old 09-23-2015, 06:30 AM
1,156 posts, read 2,289,813 times
Reputation: 3401
Thanks, I actually seem to be attracted to them and think they add a nice contrast to the house. I am considering one for a house we will be building. I wonder if they are loud when it rains? Maybe we'll just go with one for the separate Garage. Are there any disadvantages I haven't considered? I wonder if any HOA's prohibit them?
Old 09-23-2015, 07:12 AM
230 posts, read 254,072 times
Reputation: 454
Ordinary rain on a metal roof set on purlins and rafters will sound like a huge downpour. A huge downpour will be deafening to the point that ordinary conversation is impossible. However, if the metal roof is on OSB sheathing, it will be only slightly noisier than a shingle roof, especially with a well insulated attic. Our house has a metal roof on sheathing. The rain noise is not an issue at all.

We specified a metal roof because we are surrounded by woods. It provides increased fire safety (and lower insurance premiums).

A metal roof should never need replacing under ordinary circumstance. They are not that much more expensive, except for the standing seam variety. There are a lot of metal roofs around here. I can't think of any that are standing seam off hand, but go to the expensive planned communities and you will find them there.
Old 09-23-2015, 08:07 AM
1,156 posts, read 2,289,813 times
Reputation: 3401
thank you- that was helpful!
Old 09-23-2015, 08:14 AM
Location: WI & TN
86 posts, read 70,894 times
Reputation: 99

This is something that my wife and I were looking into for out new house, when we build in TN. Great information, thanks.
Old 09-23-2015, 08:51 AM
230 posts, read 254,072 times
Reputation: 454
Just to add this, in lightning territory they provide some protection from lightning. Metal roofs do not increase the likelihood of a strike. That is an old myth.

While a metal roof will not change the chance of a strike, it will significantly reduce the chance of a fire if a strike does occur, simply because metal is not combustible.
Old 09-23-2015, 08:55 AM
1,614 posts, read 1,123,154 times
Reputation: 2635
My husband told me when he was a kid they loved the rain hitting on the roof. You can put the roof angwhere in country. My neighbor a couple houses up has one. Believe it was a southern state thing. Reason have no clue but think it had some advantage. You would have to check rules with HOA.
Old 09-23-2015, 10:23 AM
5,419 posts, read 8,204,255 times
Reputation: 4518
A metal roof on solid sheathing with underlayment isn't that noisy. That reputation came from metal roofs on spaced out laths so you had the drum effect.
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