本帖最后由 K歌 于 2014-6-7 12:15 编辑 # t1 t3 n) l& P. Z7 T0 E
( C; B: t# K' J' K) s6 `' W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。2 O1 y/ e* Y. L k. K
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Advantages6 j' Q0 ` |% m/ p
Very durable in cold weather- {7 \8 v H. T8 L) Y/ i
High percentage of recycled material and are 100% recyclable 2 V1 S; x3 a) \; X; ]Disadvantages8 J R8 d& s$ t0 H
Rusting (require maintenance to prevent corrosion) % d( p4 _% X: e ~8 ]+ ECopper and lead roofs can be targeted by metal thieves : c$ ~) M% Q; k$ xHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 k7 ~# w+ q( @$ n/ DCellular and radio reception may be negatively impacted
Metal roof ?? ' R8 z! C' ~3 P" F9 X( N Owhat's going to happen in a hail storm, will it be very loud ???+ L: t; m5 l$ q6 y) c3 U
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ! T; n- _" v4 F6 O4 u1 ]
Metal roof ?? ; N! C/ y' S5 I' J3 f# C l- fwhat's going to happen in a hail storm, will it be very loud ??? - E5 t$ o" M! a( Z- N. e0 [Summer raining seas ...
icing 发表于 2014-6-7 22:36 ( z [( a7 E* |& }* U: K
Metal roof ?? 7 F# E8 Y1 z" C G' Z3 u% Gwhat's going to happen in a hail storm, will it be very loud ???" S5 [" r% p ^2 [0 v) z7 O
Summer raining seas ...
2 d. M" ]1 g |/ q( p* K2 r0 ?# sthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.
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发表于 2014-6-6 12:16
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