Advantages1 w0 I( J* ] o4 t
Very durable in cold weather. p- D$ e0 S- _8 B
High percentage of recycled material and are 100% recyclable5 u4 D6 A3 _. [8 W3 y# s/ c% q+ e9 F
Disadvantages : D& j3 W4 a1 z! J' qRusting (require maintenance to prevent corrosion)2 x6 q% ^! @7 B0 F
Copper and lead roofs can be targeted by metal thieves+ q; w) d! g6 o3 S' m
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure T' b- x" X! R1 ^7 n9 U
Cellular and radio reception may be negatively impacted
Metal roof ??6 C2 o: x }4 K- O! h# D
what's going to happen in a hail storm, will it be very loud ??? 4 m% R( Y/ y$ T6 F( q; Q- ^Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 _ T' N: j8 V' i, n6 LMetal roof ?? / E0 n3 @/ @& m( I7 ^1 d4 D! @what's going to happen in a hail storm, will it be very loud ???$ [9 Y+ W6 H: 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.