Advantages . s+ ~3 K: C9 E* \. g# p$ p6 \, kVery durable in cold weather+ }" ]' `0 N1 ~" X7 w9 g9 ?# `$ d; N
High percentage of recycled material and are 100% recyclable6 z: u/ k4 f3 K$ o( _ J! j4 N
Disadvantages( d; P- J9 j3 |5 u# L+ K6 p9 g. v
Rusting (require maintenance to prevent corrosion)# C' M8 ^8 T, ~$ p% T" F# e
Copper and lead roofs can be targeted by metal thieves. v: d1 f- D# _) [* h
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" B! f1 s4 R* b P* G
Cellular and radio reception may be negatively impacted
Metal roof ??7 d" l" T; i2 g$ I% h+ K: y
what's going to happen in a hail storm, will it be very loud ???/ `. t# }$ v4 c/ p' B
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 V8 X5 |( G, n8 k8 n! D
Metal roof ??6 P3 F/ ?, `/ i+ N4 E5 G
what's going to happen in a hail storm, will it be very loud ???' L( Z5 H+ L+ e l+ Q
Summer raining seas ...
icing 发表于 2014-6-7 22:36 9 _* _- c! t) O. P! X
Metal roof ??% R0 S5 K2 W, K. P5 |5 f
what's going to happen in a hail storm, will it be very loud ???* R! U. |9 y: O3 [' K0 d
Summer raining seas ...
, F8 o5 v* L8 p2 q/ Jthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.