本帖最后由 K歌 于 2014-6-7 12:15 编辑 % e8 [ R* b2 l
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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。 # a/ w: h6 a4 l6 f; W t5 o* r $ D' ^0 j \9 {1 M# D. \# R. l看看下面wiki的解析
Advantages / a) I0 v7 T6 O( l, j' {Very durable in cold weather/ @/ ?* h' S+ g) F
High percentage of recycled material and are 100% recyclable ' P# q( P! W0 r5 a9 c1 nDisadvantages ' G( T% F( ]$ }" H% j5 HRusting (require maintenance to prevent corrosion). f+ _) r' w; f: ] }
Copper and lead roofs can be targeted by metal thieves" p2 R4 Y* u3 B- x9 Q
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure & e1 S+ F4 F% z8 l$ r2 HCellular and radio reception may be negatively impacted
Metal roof ??$ O1 |; y4 X5 l
what's going to happen in a hail storm, will it be very loud ???( f$ V( f( f3 T0 Z s! ]- _
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ U. k! ?! {% O7 H$ `$ S" z4 qMetal roof ??5 p! \3 J3 [1 h$ E3 x# e4 C) }( X
what's going to happen in a hail storm, will it be very loud ???0 H- l1 {6 ~* @7 K' ?0 M
Summer raining seas ...
icing 发表于 2014-6-7 22:36 9 b5 h4 e, B. V$ d5 {
Metal roof ??2 v i# S3 D" F1 f: g
what's going to happen in a hail storm, will it be very loud ???# E* x) e* p- [7 x& ^" m9 N# T9 n
Summer raining seas ...
1 o" W) Q+ v$ t8 n6 ~that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.