Advantages ; o5 ^0 W2 `6 Q5 EVery durable in cold weather & v8 h# d% A1 RHigh percentage of recycled material and are 100% recyclable 5 M2 [% x- r/ x- KDisadvantages ' x3 c G* J' R+ r: o/ cRusting (require maintenance to prevent corrosion) % I9 X$ b4 N; L0 ~5 S7 \4 yCopper and lead roofs can be targeted by metal thieves! g7 _9 R1 J2 z$ e
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure: f' q/ p( S) u; R1 I+ p% W
Cellular and radio reception may be negatively impacted
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what's going to happen in a hail storm, will it be very loud ??? # G/ {. j4 m" j! U, [, P1 TSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 z* C! S, @- U6 r" x# KMetal roof ??* n5 `& l' E* ^) X
what's going to happen in a hail storm, will it be very loud ??? " ~) o7 L# Y! {& hSummer raining seas ...
icing 发表于 2014-6-7 22:36 : d' G Y" N3 p- ^( u+ w7 L# u4 IMetal roof ??5 z& N( X0 @" |8 t0 P: A9 u5 V3 J
what's going to happen in a hail storm, will it be very loud ???, L% G ?. v t* `/ q$ d+ A1 D* l
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.