本帖最后由 K歌 于 2014-6-7 12:15 编辑 1 s' @! F9 L5 O( Z
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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。. N* a) M. Q8 `5 o+ I! E
Advantages9 _% t+ a0 ^" I3 d% g, j# t
Very durable in cold weather) G6 i% F$ O( H* i& ?0 p
High percentage of recycled material and are 100% recyclable - Z, l$ \% n2 YDisadvantages# t( S3 y7 ]% V2 L' {
Rusting (require maintenance to prevent corrosion)6 x. Q X K+ p( s D% M d
Copper and lead roofs can be targeted by metal thieves , `/ L" }; ~. t: qHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure , H1 J8 H) N# p" k. y/ ~$ WCellular and radio reception may be negatively impacted
Metal roof ?? 1 F' r! ?" @+ x- V: k% lwhat's going to happen in a hail storm, will it be very loud ???. y% _, `; a' F/ |. |- ]
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . @ {2 G5 Y( e4 K5 v6 i5 V
Metal roof ??. m- \% z$ }4 I3 e/ w0 u/ o7 t2 p
what's going to happen in a hail storm, will it be very loud ??? 6 k$ k# m$ n3 E" v, WSummer raining seas ...
icing 发表于 2014-6-7 22:36 6 V; B5 _6 `- \$ `4 G* t2 HMetal roof ??: ^& T, r- o! `0 r: W8 v
what's going to happen in a hail storm, will it be very loud ???% e5 t9 X+ ?& I2 e8 e, L: z
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.