Advantages( J9 }0 s+ ^- C0 }# O1 N7 Q
Very durable in cold weather7 O# l* D# `3 h2 h' n: A" w
High percentage of recycled material and are 100% recyclable8 n$ x8 C. B8 Q. M$ S. _, z
Disadvantages6 S+ y# E' C4 g
Rusting (require maintenance to prevent corrosion) - Y8 R4 R* ~' J. LCopper and lead roofs can be targeted by metal thieves9 i4 a3 m: i( C$ D
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure* O" I( x2 z* [7 f! v' q
Cellular and radio reception may be negatively impacted
Metal roof ??1 U# E5 a* [) y" ^& ^5 o% N8 o. |
what's going to happen in a hail storm, will it be very loud ???, i; s" w# _4 J
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 9 v( x0 S3 }+ n" _( iMetal roof ??) q% v4 E4 N0 u1 ` `" L8 R
what's going to happen in a hail storm, will it be very loud ???6 _2 u3 m# j6 K
Summer raining seas ...
4 c3 x$ }: n+ {4 @" lthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.