g; b; j4 Q& O! g7 H j; U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。 5 d$ @* B" g$ V6 I e, h: e. m; J& a) {* ]$ v看看下面wiki的解析
Advantages & j1 I) T* S* Z/ M# [Very durable in cold weather' E3 p+ w. a; n
High percentage of recycled material and are 100% recyclable9 `8 d% i! O! z+ ]0 Y" Q
Disadvantages ' J! R8 f4 u2 ~) D w) x, XRusting (require maintenance to prevent corrosion) 8 t% n: ^3 w2 N, @; FCopper and lead roofs can be targeted by metal thieves( }3 ?- R6 o+ X4 J
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) S8 H; V2 b7 a$ c. FCellular and radio reception may be negatively impacted
Metal roof ?? & J; _, d, n( S6 F4 j, t+ Zwhat's going to happen in a hail storm, will it be very loud ??? ' l! L8 O% a- v$ ~/ N8 Z& ]- xSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , e9 p$ u. F/ X( n8 o' L; H: m4 lMetal roof ??7 B+ u" b1 h7 |, S5 m
what's going to happen in a hail storm, will it be very loud ???/ y- h9 \" ~ |
Summer raining seas ...
icing 发表于 2014-6-7 22:36 5 \2 X0 k0 W) ]* ?4 G, n" m. H
Metal roof ?? 5 d2 q) ^& c% l/ g% I6 Rwhat's going to happen in a hail storm, will it be very loud ??? 1 c; l) c1 V% Z7 [1 K- T! }- sSummer raining seas ...
+ u/ k2 L* D+ `; v! }9 b0 G. | ~that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.