Advantages; r$ `' ]; U' s
Very durable in cold weather+ a9 U, A, Y, {' ]4 u+ X
High percentage of recycled material and are 100% recyclable 2 N9 b4 e- E1 y, f$ T7 _2 }. RDisadvantages6 m. S% g( T; ?
Rusting (require maintenance to prevent corrosion)% o& o1 E2 L; s$ V" F
Copper and lead roofs can be targeted by metal thieves1 q1 y: r* {% t$ Q' b/ S- s
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure , g- M( T* O" w0 K! j' u7 o) ^Cellular and radio reception may be negatively impacted
Metal roof ?? M* `3 }/ t5 F3 `8 b# [% U) Q! L4 pwhat's going to happen in a hail storm, will it be very loud ??? % \8 a( s7 H8 v4 F/ @2 W# oSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 6 d9 e! w# p8 |7 e5 w& U+ X y8 s
Metal roof ?? : K/ ~& U( n9 N9 d3 g7 B: n) j7 pwhat's going to happen in a hail storm, will it be very loud ??? & }# p6 ~/ V& Q5 ESummer raining seas ...
icing 发表于 2014-6-7 22:36 6 d- E2 Q0 |$ |, l' ]
Metal roof ?? # h; @+ s% q6 A7 `9 Z) [what's going to happen in a hail storm, will it be very loud ???" u# z6 X) }2 H6 S( y7 [
Summer raining seas ...
. b8 f, ?1 K1 `% v* y/ z ithat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.