Advantages$ j |4 C6 r) I" d# |7 I/ K
Very durable in cold weather " K8 ^5 N* }! ~3 l2 z; iHigh percentage of recycled material and are 100% recyclable ; z6 l7 d3 `8 }5 b+ TDisadvantages2 B8 K$ f3 T5 g% N
Rusting (require maintenance to prevent corrosion) 0 v3 B, w8 F& R$ n5 p7 o* ZCopper and lead roofs can be targeted by metal thieves9 }# T# N$ E8 C: y y1 Y4 }3 i
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure7 U& C) Y% w2 p7 q* D5 A" K
Cellular and radio reception may be negatively impacted
Metal roof ?? # Q: v+ f5 L- q4 P3 l% @# G& `what's going to happen in a hail storm, will it be very loud ??? 1 K. x% M+ }* p; d9 k2 T/ |Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 # m# ~+ {; n/ i
Metal roof ?? 2 f* c3 v9 c2 Uwhat's going to happen in a hail storm, will it be very loud ??? 2 N* n! N* V+ w0 M- M# ESummer raining seas ...
icing 发表于 2014-6-7 22:36 D8 E# F1 h2 e6 k
Metal roof ?? % t# _& r* q' ]! q( Awhat's going to happen in a hail storm, will it be very loud ??? ) z6 k( I G' ]" M$ B) KSummer 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.