Advantages " C: T" X! p( s" a8 l, k; O$ I" fVery durable in cold weather 3 m5 d; i; ^6 o$ f. BHigh percentage of recycled material and are 100% recyclable ; F4 [- V3 y+ C: tDisadvantages 2 O; N! @, G8 x/ t* n1 Q& R4 ~8 xRusting (require maintenance to prevent corrosion) W, |. N% N: I1 c, \' o# p
Copper and lead roofs can be targeted by metal thieves! {$ t7 Z4 ^' ]
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) o: E' x# w4 m: h3 ?Cellular and radio reception may be negatively impacted
Metal roof ?? $ }& _2 s4 `( q/ `what's going to happen in a hail storm, will it be very loud ??? . I' A9 u% _% c0 e7 t2 j5 BSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 j0 h: r+ B, W. A
Metal roof ??4 t4 F/ L/ M3 { K1 p
what's going to happen in a hail storm, will it be very loud ??? ' w( W3 h! S% q9 zSummer raining seas ...
icing 发表于 2014-6-7 22:36 8 B. v0 T5 l7 V# ^) [
Metal roof ?? 2 f: D4 ]! v) N( X4 A e2 ]; g( Zwhat's going to happen in a hail storm, will it be very loud ???# F" {7 d9 G. Q% N2 E
Summer raining seas ...
4 \9 @2 t- }5 [9 K3 c8 {8 M# @8 Ithat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.