Advantages ' g+ M; K. N; f# j! E- s) I7 O: gVery durable in cold weather; M; e2 o: }9 R+ o1 v
High percentage of recycled material and are 100% recyclable ; R) b; [- i2 f/ T/ c, xDisadvantages 0 ?1 T# Q- B3 ]: a: W; }" C0 QRusting (require maintenance to prevent corrosion) + I- i* F2 Z: t; `: M% U" ZCopper and lead roofs can be targeted by metal thieves) j9 _5 f* I: ?2 `6 [2 l7 P
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) r# @8 t; m( N) `2 D# d W0 ICellular and radio reception may be negatively impacted
Metal roof ?? 2 O( z; I k- h M! L7 @what's going to happen in a hail storm, will it be very loud ???! }- j- H# m: i9 A7 a' p% C
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 % h4 G" l& Z" x4 ^3 Y
Metal roof ??8 A9 X+ S# B5 f% A
what's going to happen in a hail storm, will it be very loud ???5 m3 `3 p- p/ q( G& ^7 v5 J
Summer raining seas ...
icing 发表于 2014-6-7 22:36 0 @% P5 S6 _+ w# TMetal roof ?? 0 w# h2 U# s0 }what's going to happen in a hail storm, will it be very loud ??? ; B) ^* z- {5 E( E' rSummer raining seas ...
0 n4 R8 g2 p6 ]# ~9 X8 D
that 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
