Advantages$ z- V; D' d8 [* {0 u2 b
Very durable in cold weather + K/ l z5 b9 D8 V6 lHigh percentage of recycled material and are 100% recyclable * o2 w, g9 w# m& GDisadvantages ( l2 n1 \/ @& k: b# T5 p) zRusting (require maintenance to prevent corrosion)& f5 W0 z4 Z0 e; n
Copper and lead roofs can be targeted by metal thieves6 `9 }6 z7 @: `1 I) o
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure0 m, ~ `7 q5 z- H E& e1 i
Cellular and radio reception may be negatively impacted
Metal roof ??$ m* ?! V P' K4 L2 @9 X
what's going to happen in a hail storm, will it be very loud ??? & p* Q6 K# O& u$ qSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ! \% ^" p5 b$ p3 g. l E
Metal roof ?? - e2 [4 G& y v0 b' F1 awhat's going to happen in a hail storm, will it be very loud ???* l! F ]0 {0 K4 t1 n
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 Y+ u& c9 E# ]$ TMetal roof ??3 Y, f2 S8 }3 [
what's going to happen in a hail storm, will it be very loud ??? t2 d1 @ U+ M6 {( H. o0 n
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.