Advantages 7 o! ~+ q9 M+ a& ~Very durable in cold weather n* X3 m1 q' R# s/ a
High percentage of recycled material and are 100% recyclable, H5 V Y# u# R" P
Disadvantages 4 f* R" C4 B6 T) ~* T9 VRusting (require maintenance to prevent corrosion) ! B, B. r5 c. BCopper and lead roofs can be targeted by metal thieves 8 v; ^! y) w, G. ~ W. K7 h5 iHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure9 N% `$ L/ i( C U. c7 A
Cellular and radio reception may be negatively impacted
Metal roof ??2 U' e: l( M; e
what's going to happen in a hail storm, will it be very loud ???3 [/ f* R& u+ T& {2 u# N5 M
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 & l# K0 b) d6 B% A3 x- \' \Metal roof ?? " o3 x! v: v i9 a& v7 w6 Wwhat's going to happen in a hail storm, will it be very loud ???, W& l: Y$ R2 V) X
Summer 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.