Advantages # N1 o0 E; f- dVery durable in cold weather \" R1 Q/ N7 |0 `4 P
High percentage of recycled material and are 100% recyclable0 H+ h8 U# p( R$ J& Z0 D
Disadvantages3 U* E% \' _8 b' u
Rusting (require maintenance to prevent corrosion), F$ n2 s" B9 T: T+ d
Copper and lead roofs can be targeted by metal thieves ) C/ s3 n3 o1 uHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 5 f; O( h1 m% d' r3 K8 \Cellular and radio reception may be negatively impacted
Metal roof ??4 b* p6 a5 w) O; ]! ?
what's going to happen in a hail storm, will it be very loud ???& ?4 @0 M9 v) U7 G) E; e
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 6 Y% ?" p$ N1 X8 E! I
Metal roof ??! j/ v5 s1 N- ]* L6 `8 M
what's going to happen in a hail storm, will it be very loud ???: c- o# |4 D ~) y) ~- i7 m* ]0 ^
Summer raining seas ...
icing 发表于 2014-6-7 22:36 $ P. c9 W$ C. M0 ~! g5 L9 z8 w
Metal roof ??( z. A+ g8 x7 x4 Q
what's going to happen in a hail storm, will it be very loud ???4 o/ m! I' {! r; O& ]9 a# L; `
Summer raining seas ...
3 A- K: U$ h; jthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.