本帖最后由 K歌 于 2014-6-7 12:15 编辑 ( b9 W$ U$ [9 w
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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。+ L' r, O/ e \; B( I0 K, C
Advantages P: X4 u+ U' F' mVery durable in cold weather 3 F4 I+ l$ [9 M0 m, K! V, tHigh percentage of recycled material and are 100% recyclable6 D; ~$ m e+ w! p, ]
Disadvantages4 j& F5 U, G$ J% J3 H C
Rusting (require maintenance to prevent corrosion) ' q( a+ u" N$ t9 P/ i. c9 sCopper and lead roofs can be targeted by metal thieves; M2 u9 [( x' \; A3 y! a: _5 A
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. T" s6 x+ j7 }0 `
Cellular and radio reception may be negatively impacted
Metal roof ??4 z' e! w. g5 p1 }: H
what's going to happen in a hail storm, will it be very loud ??? & u0 B8 c, S. _4 ~9 O2 P4 vSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 " ^4 i1 M# r4 s, T8 e& Y
Metal roof ?? % k+ O# u8 ?% J/ [what's going to happen in a hail storm, will it be very loud ??? 3 {. ~% S: P% Z. L/ I/ f7 ^( XSummer raining seas ...
icing 发表于 2014-6-7 22:36 0 S; n, _4 A5 f, XMetal roof ??& ?0 @8 R; o& o6 e% B. M' p
what's going to happen in a hail storm, will it be very loud ???$ s( L7 U o: e! g1 e [+ r1 \
Summer raining seas ...
4 v; }4 A% x' ]0 y! `2 P, [; ~that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.