Advantages* |# Y9 ]3 N4 I8 h: k
Very durable in cold weather : p# }+ ]# s3 {. j" {& l7 [High percentage of recycled material and are 100% recyclable + C) i) D( i: _6 C- {, m* FDisadvantages. t! J0 ]$ y: F, [0 M2 \. D
Rusting (require maintenance to prevent corrosion) 7 _2 l3 L) B1 K* K+ N& |. v. QCopper and lead roofs can be targeted by metal thieves( k: ^8 k3 M8 K" b3 J) ~+ C1 k
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure3 j/ p% L# F' L; G) Y
Cellular and radio reception may be negatively impacted
Metal roof ?? & ~; e- ?) |+ X P) Owhat's going to happen in a hail storm, will it be very loud ???8 c. s% i0 |& \ J' O' z* q+ A
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & N: k+ R/ @7 z
Metal roof ??, s- p- }$ h S9 j1 K
what's going to happen in a hail storm, will it be very loud ???8 b+ o0 Q) l* {, B% ?' q% ~
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 u9 D8 }5 R8 P; c: V5 DMetal roof ??: q2 }' N y6 f/ U
what's going to happen in a hail storm, will it be very loud ???% |+ g% f/ x5 M
Summer raining seas ...
2 { J1 x) _& ^* _
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.