Advantages7 o5 \: |# k; _
Very durable in cold weather; }& c! [, ?0 y2 h3 p
High percentage of recycled material and are 100% recyclable4 [7 Q- D, I# q) W% r
Disadvantages; M6 o& R0 e2 P4 f7 X
Rusting (require maintenance to prevent corrosion) ' j1 ]3 l; X x! ]% p2 GCopper and lead roofs can be targeted by metal thieves+ n2 ]0 m" o0 D
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 9 t/ D3 I2 `# q* S- d1 ]" UCellular and radio reception may be negatively impacted
Metal roof ?? & e1 H( d' M8 V; K @. | [0 Ewhat's going to happen in a hail storm, will it be very loud ???. e+ y; ~' `* s
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 2 ^' r" w R" {Metal roof ?? . d$ P3 b. D- c1 o0 ?" I# D+ twhat's going to happen in a hail storm, will it be very loud ???! V. V2 @6 d, B$ Q
Summer raining seas ...
& t( ~3 Y+ c. q/ ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.