' e0 n F' \" j$ m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。 0 s8 ~7 A. _, q: p( v1 D" C0 A; |, u. W/ J2 x r y* D
看看下面wiki的解析
Advantages/ n% s1 h& y" ]+ ?5 e
Very durable in cold weather% G# j9 m) J! w; ?
High percentage of recycled material and are 100% recyclable* n8 ]8 c- e7 K
Disadvantages 0 h; w$ z; _. U# i5 MRusting (require maintenance to prevent corrosion) 9 m$ k' L8 c+ H- `( x8 l$ nCopper and lead roofs can be targeted by metal thieves, r! ` z; Z% T! ^5 O: n6 l+ ?& l
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure: {0 _' W. y/ A3 {& N- z5 K$ f
Cellular and radio reception may be negatively impacted
Metal roof ??7 J- ^9 w9 v( d8 A4 G) ^
what's going to happen in a hail storm, will it be very loud ???; F' a3 v+ W) o# j) h2 O Y
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * K% V$ ?! m) J3 x2 l( r! c, \
Metal roof ??1 K) h& M' B) W2 E
what's going to happen in a hail storm, will it be very loud ???& [* N4 I1 R6 ]* ~. ]: l/ o
Summer raining seas ...
icing 发表于 2014-6-7 22:36 " {! H4 B9 w( o1 I
Metal roof ?? ' T" o. B! u& J) P& ^what's going to happen in a hail storm, will it be very loud ???# \& h) j5 N! ^+ z% b! T
Summer raining seas ...
% O7 c4 _! V+ m0 G. R1 [5 a+ Sthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.