Advantages( `& U1 x+ K% q7 y% z/ Z9 ^# l
Very durable in cold weather 3 ?- N* A* N+ fHigh percentage of recycled material and are 100% recyclable . `9 W. K# @; kDisadvantages- |# M# B+ u# ^" H1 G
Rusting (require maintenance to prevent corrosion) : a% f3 C8 |. B/ R& BCopper and lead roofs can be targeted by metal thieves ( @. z8 G9 N1 h }6 A$ ^$ r4 _High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ h0 z& o7 C+ |# }, n1 }) S4 L
Cellular and radio reception may be negatively impacted
Metal roof ?? , \7 N3 M5 p6 `9 ~$ ~& Gwhat's going to happen in a hail storm, will it be very loud ???+ H( ~9 }! t9 P U+ X6 N% F! D3 r
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , i* z) r+ u9 u$ Y' c: S
Metal roof ?? ) z4 x/ R# u, l; I! d* ~5 m( gwhat's going to happen in a hail storm, will it be very loud ???7 ?6 k1 i8 c* G% S" w- L8 j
Summer raining seas ...
icing 发表于 2014-6-7 22:36 5 p; _! z. `% @( N: Y
Metal roof ?? % v7 U" b5 S _. j' ?, Uwhat's going to happen in a hail storm, will it be very loud ??? . p1 f# p+ Q% F& \/ y# w% \- ASummer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.