本帖最后由 K歌 于 2014-6-7 12:15 编辑 - N, Q6 `! u0 D 1 a, a$ v4 R( d y6 g" @2 J2 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。( E, H Q- j$ o/ I9 r
Advantages $ e0 N% \4 i$ C! i* w, {Very durable in cold weather0 |/ E( u6 d0 Q: X6 ^9 o
High percentage of recycled material and are 100% recyclable, q( F4 h0 e4 {0 O5 Y
Disadvantages 5 z7 I5 G- _' Q3 ?7 {5 ^, Z( E! \- ^Rusting (require maintenance to prevent corrosion)0 [7 `2 O+ _4 H! ?/ ]# a# _: F
Copper and lead roofs can be targeted by metal thieves- Z4 n0 V; B$ H! Q, F- l2 ~; x" Y
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! d. ~; n$ m* `- n! nCellular and radio reception may be negatively impacted
Metal roof ?? - e4 c- {: Z6 Q2 p* @3 vwhat's going to happen in a hail storm, will it be very loud ??? . G n- N) z9 `8 M( T! f0 ]+ JSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ( g. e, n& n5 |3 }1 k% ?Metal roof ?? 8 C0 ]: M0 E5 qwhat's going to happen in a hail storm, will it be very loud ???1 q$ Q0 F! j( R( P5 E% H& f
Summer raining seas ...
icing 发表于 2014-6-7 22:36 - h, y4 ]5 |- g% l' o. P: H' OMetal roof ?? " D% D, ~7 ]+ wwhat's going to happen in a hail storm, will it be very loud ???, z1 K& \. L( ?+ `% X* E
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.