Advantages q* D d' v' I' @Very durable in cold weather/ @- c$ ~3 D0 D1 u' `# {6 x! ?! S
High percentage of recycled material and are 100% recyclable & A5 w9 o! _+ x/ `' Z, QDisadvantages 3 ]0 B& O$ _2 W7 e) ORusting (require maintenance to prevent corrosion), E( F+ Y5 W4 _6 ?. m
Copper and lead roofs can be targeted by metal thieves : u0 J# T9 Y: K8 Y7 k& ~High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" \6 R! P+ G s- [2 Q
Cellular and radio reception may be negatively impacted
Metal roof ??5 o4 e9 i1 b r* a* U
what's going to happen in a hail storm, will it be very loud ???$ V- [+ F' A1 Q; |5 C8 O* A
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 f5 T9 M1 m3 f0 ]" u) w# x: a
Metal roof ?? & C& m" Z1 |9 G1 e+ `. o3 |2 Z |, |what's going to happen in a hail storm, will it be very loud ???1 d4 Q5 W1 A. I5 T
Summer raining seas ...
icing 发表于 2014-6-7 22:36 3 o! z" L2 f! d6 `) b/ O9 EMetal roof ?? . l' {% y& i7 s( o8 S4 y, Uwhat's going to happen in a hail storm, will it be very loud ??? / u- R' f6 p, f; tSummer 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.