Advantages 1 V* @* K2 w# ]/ N' R7 qVery durable in cold weather! ]7 Y X5 W" E. i2 W" _ _. j
High percentage of recycled material and are 100% recyclable6 W$ ]0 e/ q! `5 Q2 z
Disadvantages : V, W) k% i4 ?Rusting (require maintenance to prevent corrosion)# e" I, Y; K) y7 \2 x
Copper and lead roofs can be targeted by metal thieves/ h* `7 }& ]" p- Y
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 D8 T8 Y4 h9 D3 ?1 O+ GCellular and radio reception may be negatively impacted
Metal roof ??6 T0 X' I7 z' A& r
what's going to happen in a hail storm, will it be very loud ???) y1 E/ Q% o+ b
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ( a' I! x; S$ W+ M& R
Metal roof ?? 8 f) w1 p/ B% u9 B! D) ?what's going to happen in a hail storm, will it be very loud ???9 Z3 l) N1 R7 |0 x% _: W
Summer raining seas ...
6 r V1 r! |/ p( y4 g6 Z3 n: {that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.