& D! k. W( B2 b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。 * V! _2 n5 _/ O. q+ P. c 6 F) k7 f. K5 T# y w看看下面wiki的解析
Advantages 1 q& [8 t0 ~1 TVery durable in cold weather # {) n" ] I) `$ X# CHigh percentage of recycled material and are 100% recyclable" `& M+ D" I# J7 c- S7 H
Disadvantages * `! A0 O& V/ Y! f* I9 NRusting (require maintenance to prevent corrosion), k. S* ]" g$ O% y7 h% z9 ~
Copper and lead roofs can be targeted by metal thieves* p+ I8 T9 i2 E7 X) L8 B
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 9 ~" ?3 l. V, a$ R2 l2 oCellular and radio reception may be negatively impacted
Metal roof ??) y9 T2 f/ E6 i- m
what's going to happen in a hail storm, will it be very loud ??? C2 U( R( {+ s" i/ l# X9 P
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 % \ M. ~ ?" p/ j6 W6 ^- E+ ]3 i
Metal roof ??: b X# Q8 s: c" Y0 J
what's going to happen in a hail storm, will it be very loud ??? ! P |2 y0 H, ^- j' k, m7 V2 i6 ySummer raining seas ...
icing 发表于 2014-6-7 22:36 5 @9 I; K. j1 x8 I+ X
Metal roof ??: O0 ~' Q+ j- I6 ~
what's going to happen in a hail storm, will it be very loud ???, t* \4 `. J F) A3 U
Summer raining seas ...
0 b) N: G1 @) g) b, I) g+ y% Athat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.