Advantages6 ?& ~3 a* o3 p# ]4 y* L
Very durable in cold weather 4 r5 ?% [) ?# f3 T+ kHigh percentage of recycled material and are 100% recyclable: H# j0 f& z4 b; Z$ F
Disadvantages- W9 T$ W+ j1 Q( J+ o; M
Rusting (require maintenance to prevent corrosion)/ Z4 F6 E# l! r
Copper and lead roofs can be targeted by metal thieves 2 n+ A; M& k. q; S% pHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure& o" c) E# s9 z+ m$ a
Cellular and radio reception may be negatively impacted
Metal roof ??% a) j# N# V1 h% e* X
what's going to happen in a hail storm, will it be very loud ???4 j( M5 Q; t' A/ j. r2 F
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ' O% \2 n6 d8 y9 @
Metal roof ??0 o. y5 [: n: U' M# Z2 E- s2 h# y
what's going to happen in a hail storm, will it be very loud ???; x8 H( V+ D" J6 c" S2 [$ C7 i
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.