Advantages6 T. c4 A" h' y2 m, [- @( L; U
Very durable in cold weather; I, }: O0 [! H% i+ o. E4 [
High percentage of recycled material and are 100% recyclable- U) h- d8 j+ G* R; T+ N ]
Disadvantages ( |+ Y/ e' z5 N/ {( X# V( k2 JRusting (require maintenance to prevent corrosion) / @5 q4 X) G% G0 m/ Q u% ^Copper and lead roofs can be targeted by metal thieves \7 `) L: A4 D% H% X
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# d) c4 G0 v: j; ]3 q
Cellular and radio reception may be negatively impacted
Metal roof ??3 T! y0 b) b2 i- k" E' _; H8 r0 r
what's going to happen in a hail storm, will it be very loud ??? ; j; V. A5 H, {' a# z0 oSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - o0 b: j9 f) M7 I, z5 D
Metal roof ??0 f; N1 I X+ @, N
what's going to happen in a hail storm, will it be very loud ???4 G- @1 c1 K" a6 @# @' _
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ! H9 V: S1 Q- l0 R' C7 LMetal roof ??, D9 r D' s3 g
what's going to happen in a hail storm, will it be very loud ???0 Q9 F" K0 w' ^+ C G( d2 q
Summer raining seas ...
$ b: Z O: N3 s* c) ithat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.