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The thing with metal roofing is there is a few ways to do it.
A traditional to code metal roof on a metal building is the weakest.
A normal house that had asphalt roof replaced with a metal roof is much stronger.
There is a barn near me that at some point had a metal roof put on it. The entire roof was ripped off and sent into high voltage transmission lines. The metal roof didn't fail, the structure hold it did.
Asphalt shingle roofs are made more robust to handle tons of shingles with tons of snow and ice upon the shingles.
The only place I have really seen asphalt shingles is the US.
Then when the asphalt shingles are replaced with metal, the roof is pretty heavily over built.
The best roof for hurricanes is concrete or terracotta. I have seen it survive cat 5 typhoons in the Pacific.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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