本帖最后由 K歌 于 2014-6-7 12:15 编辑 * |" G: @; H8 @9 v k
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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。# e, w' C2 K8 r( D! C
Advantages+ f$ A8 }) X! {
Very durable in cold weather( ?* E4 A. d) v9 G8 ^4 h4 M/ Q
High percentage of recycled material and are 100% recyclable " Q s+ _, z( l) d; gDisadvantages$ s. S9 G) }9 n8 ~' |( K* ]
Rusting (require maintenance to prevent corrosion) , w$ B8 k: _2 K9 ]) {7 ^. r9 gCopper and lead roofs can be targeted by metal thieves + R# J% S1 M+ d; QHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure! y, _9 v8 [. I5 R8 g% `4 D
Cellular and radio reception may be negatively impacted
Metal roof ??' {/ ]! W* K* _" ?7 q1 f
what's going to happen in a hail storm, will it be very loud ??? 3 W+ O# N1 p' y- NSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ( ^% T ^+ D! Z9 d2 l
Metal roof ?? % V5 ], G; M1 y; V$ C7 F, K8 @- qwhat's going to happen in a hail storm, will it be very loud ??? 2 u8 m& n) K, `, wSummer raining seas ...
; Z- r7 Q9 \1 P1 T! f' j0 A& e7 [that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.