本帖最后由 K歌 于 2014-6-7 12:15 编辑 ) l: A& b! Z7 T5 `: l 1 W3 X3 o' A6 _$ l% 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。" v0 [1 `9 [; R, t
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看看下面wiki的解析
Advantages 2 o( `8 E; D- z) D; cVery durable in cold weather P6 N0 w+ k1 P) R3 g) y4 z4 T
High percentage of recycled material and are 100% recyclable- @, t! T2 Q3 ^0 C! B4 `1 Q2 H2 v
Disadvantages X( A$ `4 j3 P- X
Rusting (require maintenance to prevent corrosion)6 S( H @( z' c- m1 F5 P
Copper and lead roofs can be targeted by metal thieves2 a$ h7 C( m" T' K; \
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : S' f; }7 M! p N$ Z& |Cellular and radio reception may be negatively impacted
Metal roof ?? ' t8 D" H' r: B% f" U: H! L# twhat's going to happen in a hail storm, will it be very loud ???8 {6 ]: A/ i- a
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ [: a, J# @0 {Metal roof ?? $ [4 [1 m; F' n- ]- S [what's going to happen in a hail storm, will it be very loud ??? ' W8 r3 t# L7 ?Summer raining seas ...
icing 发表于 2014-6-7 22:36 $ O. p$ p$ f$ P; y& X! _+ `Metal roof ?? % `5 n4 Z4 _+ W9 E8 d8 G/ twhat's going to happen in a hail storm, will it be very loud ??? 7 f& L- V f% ~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.
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发表于 2014-6-6 12:16
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