Advantages - c- T2 F- r, v9 @Very durable in cold weather 5 }7 ?- q4 i$ ]High percentage of recycled material and are 100% recyclable8 ~/ f. N( }) |. }* ?! e( W9 }) Z7 |
Disadvantages ! x. G$ L2 ]7 SRusting (require maintenance to prevent corrosion) % ]. ?5 b/ O8 R+ n1 i3 BCopper and lead roofs can be targeted by metal thieves9 {1 I) _' V$ o! T# j8 ^/ @* `1 F
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure! Q! r5 Y, k# K$ \! _
Cellular and radio reception may be negatively impacted
Metal roof ??' t4 b0 x7 U" d0 ^3 s
what's going to happen in a hail storm, will it be very loud ??? , K8 C* u2 E9 p7 {4 M0 r: L8 X! e1 @Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 7 W6 R- Z- \1 Y& LMetal roof ?? " C' z: A& T* D& {8 E9 fwhat's going to happen in a hail storm, will it be very loud ???6 t. L6 j5 r) @7 i4 |
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.