% ?8 \ P- U. `8 e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。' ]* O9 Y, s0 q$ C+ S
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看看下面wiki的解析
Advantages 0 A* ~+ K- n5 tVery durable in cold weather% P3 G* i; A! N; ]9 x
High percentage of recycled material and are 100% recyclable - C- K' z7 O& Z( h z9 x7 n# qDisadvantages$ z8 j$ d+ y4 l0 \7 G
Rusting (require maintenance to prevent corrosion)1 b- T; V4 ^4 O
Copper and lead roofs can be targeted by metal thieves/ H$ ~2 ^* N! A+ g3 [- F" X5 V
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ( z" a! l5 k7 C& ACellular and radio reception may be negatively impacted
Metal roof ??; W3 w1 w ~+ {# O* K& f& O2 x6 h
what's going to happen in a hail storm, will it be very loud ??? - L G3 A) [$ t$ s: {Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 6 o7 C. W8 H7 Y& @" s8 @4 u
Metal roof ??9 ^: g: O, D+ C# V# M# V; Y
what's going to happen in a hail storm, will it be very loud ???! B( ?: p7 y. T6 N3 _" c8 E- P9 @' P
Summer raining seas ...
icing 发表于 2014-6-7 22:36 & o) s' U/ O8 Z( H2 d
Metal roof ?? 9 U: o2 f! T% H4 K6 G; ^what's going to happen in a hail storm, will it be very loud ???- K& H4 F$ B# v( q
Summer raining seas ...
8 n! n3 U4 i/ i+ ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.