Advantages : M' i9 [6 b4 R, O. S2 jVery durable in cold weather# ]& ?' B% U( H; m" {& \. T
High percentage of recycled material and are 100% recyclable$ V/ }8 R, J$ X2 d! {0 }. Y
Disadvantages 3 [: ]* [( s) W- k$ V% E" B' o, d IRusting (require maintenance to prevent corrosion)2 p8 F' p! F" u) d. t- q
Copper and lead roofs can be targeted by metal thieves 1 D" m( C5 H" U8 }1 }+ I& KHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 1 z0 f% L- M* w) S3 ]7 _Cellular and radio reception may be negatively impacted
Metal roof ??$ J( h8 m) y8 |
what's going to happen in a hail storm, will it be very loud ???5 `* c$ {3 M/ [
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 l" G7 y- k) p# _) P6 z/ V
Metal roof ??: b1 a9 |! w$ i- E) X1 O! c, _: x
what's going to happen in a hail storm, will it be very loud ??? F0 j& X* {, x, a: P
Summer raining seas ...
icing 发表于 2014-6-7 22:36 - m, W5 k" p4 Y9 S& H- N" A
Metal roof ?? 5 S( ?. Z; j+ W& ]: D) o! y2 Uwhat's going to happen in a hail storm, will it be very loud ??? 7 N, N/ n! V% y% {; Q7 h4 N7 S( vSummer raining seas ...
/ F5 B# c$ h6 i9 H4 ^6 W' o! zthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.