Advantages & ^9 y# a3 }% N! M2 kVery durable in cold weather ( j L6 v! {& LHigh percentage of recycled material and are 100% recyclable . h% h2 n) ?; |- [9 jDisadvantages5 D' v6 D- [5 s. I5 F2 L
Rusting (require maintenance to prevent corrosion) 1 l7 N+ E- f( D7 n6 h; O UCopper and lead roofs can be targeted by metal thieves6 h' w7 E1 t0 B) t# f
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure; E- `/ Y6 K. @% A
Cellular and radio reception may be negatively impacted
Metal roof ?? % ~1 H2 F L! {( \9 z; K5 F& g7 cwhat's going to happen in a hail storm, will it be very loud ???" d: F0 n) }1 G5 B" a
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 " c* O9 M, S( i& l" W! U
Metal roof ??! c! X3 _. m, b/ X3 H* h {
what's going to happen in a hail storm, will it be very loud ??? * {+ h) Q3 _/ f+ n gSummer raining seas ...
icing 发表于 2014-6-7 22:36 2 Z3 \. r3 i5 W- C
Metal roof ?? - C0 X: O$ N7 e9 \1 ywhat's going to happen in a hail storm, will it be very loud ???: y& c) K( x8 A8 E7 p
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.