Advantages ; }/ n; z. V+ \' n) F1 qVery durable in cold weather9 E) A( }3 z. |0 w+ {0 }
High percentage of recycled material and are 100% recyclable- k: t4 ~; m7 M9 u9 M# j4 D
Disadvantages ' x6 f f3 L& |7 uRusting (require maintenance to prevent corrosion) : r& @- H. l' L# f7 d& N0 [* R/ OCopper and lead roofs can be targeted by metal thieves! X3 T8 z, d- ?, t) e; c
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" k, @; t. e7 X8 Y2 M% R7 f6 U0 G
Cellular and radio reception may be negatively impacted
Metal roof ??$ V8 B" e/ _: p: w( H
what's going to happen in a hail storm, will it be very loud ??? ; X T1 C+ U' H; d: F2 aSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 : _- ?3 S2 D, a3 U5 V
Metal roof ?? # ]6 P2 t5 q& v8 lwhat's going to happen in a hail storm, will it be very loud ??? , I- ]9 ~; C( QSummer 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.