' ^ ~. e" w9 U0 @/ x' V9 M被风掀下一块可以杀人于无形。风大的地区应该不好不适合。还有金属导热快,冬冷夏热是免不了的,夏天万一要上roof维修还有烫伤的危险,夏天摸摸你的车子。遇上雷电那就更过瘾了。" O$ P Q, r' m$ l$ |5 Z h
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看看下面wiki的解析
Advantages ! N: k) G9 z( c1 U i0 ?1 U( }Very durable in cold weather 8 j' j6 x4 U4 V; ^% FHigh percentage of recycled material and are 100% recyclable : _" d9 a+ B2 C7 i' S& SDisadvantages9 @8 [4 V4 t6 W3 o" H' O
Rusting (require maintenance to prevent corrosion)% m: _' _( C$ x) M! K
Copper and lead roofs can be targeted by metal thieves # C7 X7 T( F! IHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure* C) g9 _3 M2 O
Cellular and radio reception may be negatively impacted
Metal roof ??% i4 t2 N0 d: }
what's going to happen in a hail storm, will it be very loud ??? # J0 M& h7 t; T) {% k9 H) j2 S8 {1 `9 ?Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * J2 b: X7 `- W6 N4 l/ c7 U
Metal roof ?? # j' L, j& Y* y7 E, a# P! ]7 Rwhat's going to happen in a hail storm, will it be very loud ??? 9 @* v, z& I& Z0 i7 P; {Summer raining seas ...
icing 发表于 2014-6-7 22:36 , Z' w" a, O( W0 S. O7 Z% IMetal roof ?? # r: K3 R2 R4 E0 G7 Cwhat's going to happen in a hail storm, will it be very loud ??? - V x5 S/ e( L# OSummer 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.