Advantages 0 r. u" i! R. e. p$ |0 L3 a# F/ T6 DVery durable in cold weather , \. g+ j5 Y6 B0 l4 f* xHigh percentage of recycled material and are 100% recyclable; \) L5 H8 o5 w% v
Disadvantages2 g0 E1 S3 o( h
Rusting (require maintenance to prevent corrosion)# {# T; p2 j8 H! F8 V+ X; j
Copper and lead roofs can be targeted by metal thieves' l- q, k- _! e H) s
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! M1 h* i6 M0 v, C1 b* CCellular and radio reception may be negatively impacted
Metal roof ?? 1 F6 x2 e2 m7 v8 lwhat's going to happen in a hail storm, will it be very loud ??? ) t; V( |6 Y5 O6 R* y2 f6 p2 qSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 / M: `" O# t5 m: K' _' UMetal roof ??" Z6 z) \7 u8 t- F9 ~
what's going to happen in a hail storm, will it be very loud ??? ( g; E' a" r2 t' K6 [0 H1 nSummer raining seas ...
icing 发表于 2014-6-7 22:36 9 z2 |! @2 N+ |# f8 X2 S% o
Metal roof ?? " Z- d% J e2 n' M, Xwhat's going to happen in a hail storm, will it be very loud ???7 S5 e7 r7 y- F2 q0 e3 a
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.