Advantages : @, \& p! ^# {# y# Z0 d, iVery durable in cold weather 5 Z+ f7 U8 l' Z0 U# wHigh percentage of recycled material and are 100% recyclable; M4 n4 I5 b8 A5 z0 `" I
Disadvantages & b& J4 L8 }/ \! L+ v8 m% DRusting (require maintenance to prevent corrosion)! O7 A+ W! H" d
Copper and lead roofs can be targeted by metal thieves 5 A" f2 N1 X# N$ ^High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" c2 q9 i$ ~! x% ^) b5 y
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 ??? ! b) b/ C7 T& L$ }9 ~% x* S% K; nSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & t# e2 G! l% w) C' g3 J& EMetal roof ?? 5 p& y) e, Y& C5 l* D/ {5 O+ }what's going to happen in a hail storm, will it be very loud ???' k) I7 T% H, s
Summer raining seas ...
icing 发表于 2014-6-7 22:36 4 h: c" k1 j- y) r) a3 f' _Metal roof ?? / n3 I, {0 g+ y3 e5 F1 g5 lwhat's going to happen in a hail storm, will it be very loud ??? - d+ k9 }) G3 N& a" y& F% `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.