Advantages / y% k" B. A7 U1 I( V* S1 O" zVery durable in cold weather# R$ ^# v# \$ C: |
High percentage of recycled material and are 100% recyclable - v/ s( E- |9 M1 b! v) b; BDisadvantages ! }8 X( R5 G7 t4 DRusting (require maintenance to prevent corrosion) 8 x, I; Y# X& A, y1 o: |Copper and lead roofs can be targeted by metal thieves: l9 m; P ^/ z% O6 O* {$ ]0 G( W F
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ' o8 K1 _6 w$ j/ M* A& |4 A% CCellular and radio reception may be negatively impacted
Metal roof ??" K$ U6 O' f& J( ^/ k" I4 P
what's going to happen in a hail storm, will it be very loud ??? , u) k+ Q( B# d9 @0 e* x; cSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 " P& j& M& H* F, F O7 YMetal roof ??# K' Q/ k e5 d' G" M F Y- d
what's going to happen in a hail storm, will it be very loud ??? ! t0 U/ S* C2 m8 D4 _1 HSummer 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.