Advantages # p9 U& Q5 C2 u+ }% ]6 _! ^Very durable in cold weather $ F* p/ x; g5 u+ ]High percentage of recycled material and are 100% recyclable# V. B' [; G+ T# x7 p% G0 b3 }
Disadvantages0 S' b D' i3 E; d" T8 I) c( [
Rusting (require maintenance to prevent corrosion)/ z! M/ ]! N" l, v; G1 p; G
Copper and lead roofs can be targeted by metal thieves . s' Q! H; C. E& S: \High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 _# J' }3 l/ u. D$ _8 O+ LCellular and radio reception may be negatively impacted
Metal roof ?? : E, ~; s) @2 B1 z8 twhat's going to happen in a hail storm, will it be very loud ???, |# z7 C! z8 f3 Q- Q
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ y, ]( A0 q; ?+ I( U: A, C
Metal roof ??: X0 ^% m8 g5 b. N
what's going to happen in a hail storm, will it be very loud ???/ d* F8 g9 Q" k' k( j
Summer raining seas ...
icing 发表于 2014-6-7 22:36 7 V% f; a/ Q% J7 @$ h+ g, J. hMetal roof ??" f) I; U/ D: _$ N
what's going to happen in a hail storm, will it be very loud ??? ( ^9 d6 m R* ]) K% HSummer raining seas ...
& b6 H' A8 O% n" E$ L$ n9 cthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.