本帖最后由 K歌 于 2014-6-7 12:15 编辑 4 t. u' Y. S2 m( Q3 A; g. N
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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。! d, J8 N! z. }8 b" f
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看看下面wiki的解析
Advantages" L) s, n4 C/ |. ]; c, d" u
Very durable in cold weather4 [ X g; u% ~& I* r. Z2 c
High percentage of recycled material and are 100% recyclable+ u6 h( o; B1 w- U) ^! q8 p
Disadvantages4 Z5 ?0 V4 s% y4 F
Rusting (require maintenance to prevent corrosion)' Y5 u+ ~1 _* K3 L; f; ]% z
Copper and lead roofs can be targeted by metal thieves & H( \9 }/ m% [7 JHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( f+ k* T* J% W# h1 D" |
Cellular and radio reception may be negatively impacted
Metal roof ??3 }& V! a4 F- P
what's going to happen in a hail storm, will it be very loud ??? . r' X) b, F/ z T* JSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 + r: R. s; c2 u' h+ ?( @; W5 UMetal roof ?? - R) A0 n* A( p: Pwhat's going to happen in a hail storm, will it be very loud ???0 s! p9 \. U% E* z9 T2 ]8 G
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.