Advantages & b; Y2 S- h8 m7 c, Z, C# k! o0 wVery durable in cold weather # C C& G( g+ W& g0 H7 XHigh percentage of recycled material and are 100% recyclable # y3 b: ?7 u. r$ SDisadvantages 9 g4 D1 O2 Z9 \, jRusting (require maintenance to prevent corrosion) 5 x. J! p$ O9 U7 @- _ ?Copper and lead roofs can be targeted by metal thieves9 c1 `& m) _7 I2 L$ q
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure1 x: V T5 w( Z v# N* _) l! l1 f6 ?
Cellular and radio reception may be negatively impacted
Metal roof ?? , u& b. ?' W3 \, K- t/ ~8 E6 |what's going to happen in a hail storm, will it be very loud ???# U: f, w5 k9 X7 F U" n1 B5 R
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 $ f) W3 f/ ^# k3 u
Metal roof ??% [3 J2 x+ k; \- {1 H6 n9 n
what's going to happen in a hail storm, will it be very loud ???: x6 Q3 W, s) Q0 |5 F C
Summer raining seas ...
# }9 ?8 e9 O' m* {: Tthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.