Advantages* |, O) B+ i& n' k. i
Very durable in cold weather9 a* R) C; B& F! n; ], Y
High percentage of recycled material and are 100% recyclable3 z! u1 }$ u7 Q; M
Disadvantages 9 s9 C! C' L- g% `9 r& RRusting (require maintenance to prevent corrosion)6 ]0 L# S" q3 p
Copper and lead roofs can be targeted by metal thieves# p3 v( K: Q [' v+ \# I
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure! L' l# ?% e) ~3 X/ U
Cellular and radio reception may be negatively impacted
Metal roof ?? ; I- G6 e6 h- M2 u0 @, C- bwhat's going to happen in a hail storm, will it be very loud ??? % r+ W' J" Q' cSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ) L" E+ Q. r# B% z, k" r
Metal roof ??5 \! m a7 Q! ^. A
what's going to happen in a hail storm, will it be very loud ??? $ l' E) `) U' c6 HSummer 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.