Advantages 7 p* u9 C4 t7 `+ d& w0 K, yVery durable in cold weather , \5 t- q) g7 s O* SHigh percentage of recycled material and are 100% recyclable7 g a9 e, E4 i2 ^" ^! S+ s
Disadvantages4 ^! q: |+ J& x5 X6 h$ Z
Rusting (require maintenance to prevent corrosion)- v; P! n: K7 L0 t, ` M& b
Copper and lead roofs can be targeted by metal thieves : u6 y! @' R8 R! k; T" {4 eHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) y; ?3 N3 i0 [* ?' n: M% ZCellular and radio reception may be negatively impacted
Metal roof ?? - H, l- u3 S7 d5 ^1 w }what's going to happen in a hail storm, will it be very loud ??? $ T# A1 b/ v* Q- [ r# ZSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 6 f, M' s5 _% z$ [8 T0 ?Metal roof ?? : x5 H8 k. ~$ o% d* iwhat's going to happen in a hail storm, will it be very loud ??? T4 h) ^: Q5 C, `0 X5 H. c% S% R3 H
Summer raining seas ...
" R+ }8 e( U; d; fthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.
狗仔卡
鲜花(
鸡蛋(
发表于 2014-6-6 12:16
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
楼主
