Advantages . U! U5 C9 a! S" n, L0 _Very durable in cold weather. a7 V; d3 _/ Q3 u S
High percentage of recycled material and are 100% recyclable - R5 N1 \( H: z) w# o9 aDisadvantages9 t7 `8 M5 C! v" u2 F" V
Rusting (require maintenance to prevent corrosion) $ e4 d0 I& H/ }3 xCopper and lead roofs can be targeted by metal thieves 5 ? i' G) L1 l5 P/ T0 ZHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure) | j( K9 c6 S
Cellular and radio reception may be negatively impacted
Metal roof ?? ) L/ t% \5 X- O. [what's going to happen in a hail storm, will it be very loud ???, z$ i8 s1 w. j2 R4 ?7 K
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 - b2 v3 ~2 Y2 X2 T
Metal roof ??7 f- o b( O! u6 F* c
what's going to happen in a hail storm, will it be very loud ???0 {9 A, j8 M. y7 w/ R
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.