Advantages# \7 c8 }! \+ a1 P2 g9 m1 D
Very durable in cold weather7 L) [7 h6 B6 C% p( f2 J4 T
High percentage of recycled material and are 100% recyclable2 E t; r. o e" P
Disadvantages % {4 `5 y9 j, E2 a) eRusting (require maintenance to prevent corrosion) / g6 \! k: r$ K- f/ F7 M+ a# n' hCopper and lead roofs can be targeted by metal thieves * t& c% @2 u4 ?7 z( QHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ M9 q6 P" ~# h2 W4 K; s3 l( Z0 v
Cellular and radio reception may be negatively impacted
Metal roof ?? ; z6 K5 |( c$ M% e5 z$ Uwhat's going to happen in a hail storm, will it be very loud ??? 8 k% }8 K* U ?% R! L( uSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 K/ C6 Q8 ^ z% ^6 ~0 ~
Metal roof ??: W/ h! |5 j; x
what's going to happen in a hail storm, will it be very loud ???" N- D( t0 t8 O' i5 `
Summer raining seas ...
icing 发表于 2014-6-7 22:36 + n2 d( d9 a. H# o* `: ]6 K3 ZMetal roof ??$ E7 O+ Q0 K* C
what's going to happen in a hail storm, will it be very loud ??? 4 H# G6 `) Q7 W+ R# MSummer raining seas ...
2 w1 r) Q" ]. Athat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.