Advantages 4 ~4 r+ J* p+ f0 K4 a6 N( I# |5 r' [Very durable in cold weather ) c0 X' r. ~# G8 u" N4 [9 L" {- MHigh percentage of recycled material and are 100% recyclable ' [" e; O% i5 p0 ]( Q- w3 QDisadvantages% f5 }, v7 D9 c* b
Rusting (require maintenance to prevent corrosion)5 W7 u2 M2 M- T: u5 f
Copper and lead roofs can be targeted by metal thieves 3 t, J( W) h {High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure$ R# Y- K5 `; w! x
Cellular and radio reception may be negatively impacted
Metal roof ??) m2 J& g$ ^! K' c! {* U
what's going to happen in a hail storm, will it be very loud ???$ \+ h3 @/ v2 R! |- k
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - e: x% E- b: o2 X5 N6 Y; N
Metal roof ??7 Q8 g( ~& v4 F4 x7 ]
what's going to happen in a hail storm, will it be very loud ???( h' Q$ p% c' n9 ?
Summer raining seas ...
icing 发表于 2014-6-7 22:36 3 Z7 y; z) n. _% @( p$ n- @Metal roof ?? * d: E/ W$ h. \' j lwhat's going to happen in a hail storm, will it be very loud ??? ( q- k9 W, e. U3 p$ ]9 i! sSummer 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.