Advantages8 b: Y5 M1 r/ b! E
Very durable in cold weather5 Z5 Z4 _7 S, U2 [3 v
High percentage of recycled material and are 100% recyclable 8 J) I8 h( W1 Q8 O; YDisadvantages+ y! ?2 i5 n* K# ?
Rusting (require maintenance to prevent corrosion) 5 q! G5 L) c3 f* m1 \$ ICopper and lead roofs can be targeted by metal thieves * P/ `% v( W2 E) ?3 Y. }1 F* Y8 FHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" h& P) @& A! d/ m4 R# Y& N2 d
Cellular and radio reception may be negatively impacted
Metal roof ?? 4 }6 C. j& c- f, y7 h& e/ z& Vwhat's going to happen in a hail storm, will it be very loud ??? 9 G3 F+ }5 O9 Z1 J& [& I$ \: C; ~Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 O \# p7 J# X8 WMetal roof ?? - e9 b7 a* f0 Q) J; O! Fwhat's going to happen in a hail storm, will it be very loud ??? % K$ g$ G" A- Y% m, x2 xSummer raining seas ...
icing 发表于 2014-6-7 22:36 ' | Z/ O# N9 W. C; R; gMetal roof ??# L/ D: k" C+ ?
what's going to happen in a hail storm, will it be very loud ??? 3 X2 d4 O" [/ tSummer 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.