Advantages # c8 D5 f( U9 W0 g& y( Z3 ~5 {- yVery durable in cold weather 1 I9 _: u1 o3 P. I' l" gHigh percentage of recycled material and are 100% recyclable / U2 H: u$ P9 w8 {Disadvantages* S+ f5 Q0 J6 e, C9 J+ R9 e, U
Rusting (require maintenance to prevent corrosion) 2 t b4 x; B5 ]8 p- dCopper and lead roofs can be targeted by metal thieves 9 I+ [$ v" p' S+ W% ~' N* d% m; {High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure9 b+ _5 m, @' }- K! r0 c: K
Cellular and radio reception may be negatively impacted
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what's going to happen in a hail storm, will it be very loud ??? 2 `6 m$ A3 Y! U- w5 V2 p" u6 D# {4 TSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 / E9 T& ^; ?& ]' _2 U8 w
Metal roof ??' X# l. v& o4 I- t( u5 X
what's going to happen in a hail storm, will it be very loud ???: C- N, ]! h' m' u
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.