本帖最后由 K歌 于 2014-6-7 12:15 编辑 + q* W. Y+ f8 M7 p; M+ E$ q5 P, J; p& P' d
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。$ i% {& h D$ W7 I$ h3 G
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看看下面wiki的解析
Advantages 0 d; L9 h5 I3 q0 t( ]& ]( xVery durable in cold weather 0 l8 c; i: {% F: j) E0 ~4 OHigh percentage of recycled material and are 100% recyclable5 L/ c. J3 f# E2 l( u" f
Disadvantages7 L4 E t3 F$ x" v5 z
Rusting (require maintenance to prevent corrosion) $ L* m1 t5 k6 KCopper and lead roofs can be targeted by metal thieves- x7 E- E% V8 [ t6 C4 E# L2 n4 z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure6 P; P& i) |& a' Q4 z" y
Cellular and radio reception may be negatively impacted
Metal roof ??/ v6 D7 F4 Y. h. y$ j% e
what's going to happen in a hail storm, will it be very loud ??? 3 ?, Y9 P/ g$ Y9 a: ASummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' H' N( b7 B) U/ Y% t/ f$ D5 F0 b @Metal roof ??) a" T5 U/ x' r* u2 r' T: T
what's going to happen in a hail storm, will it be very loud ???( z7 g6 G3 m" z+ H& J) P& G
Summer raining seas ...
icing 发表于 2014-6-7 22:36 , u) j3 {, d1 R6 x) \' o0 L& E$ EMetal roof ??' U7 n4 a3 l- x/ h7 `
what's going to happen in a hail storm, will it be very loud ???7 ?" t3 ~% B* {, L& k# W1 j
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.