Advantages 2 @. y# F& ?2 ?+ [9 G" S" p- gVery durable in cold weather2 i. f, o/ p4 E6 L4 m) r* |
High percentage of recycled material and are 100% recyclable: d7 J% R+ D8 n% W$ p
Disadvantages. Z$ l+ {. {. p
Rusting (require maintenance to prevent corrosion)+ C2 l7 L9 A" l) i/ S, b
Copper and lead roofs can be targeted by metal thieves6 b, g% i7 g3 g% u& g8 P U
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 9 t; R2 x( d+ {6 u8 jCellular and radio reception may be negatively impacted
Metal roof ?? V( P! r7 a/ _8 `* zwhat's going to happen in a hail storm, will it be very loud ???$ ?4 S. \+ g6 `% D" S. W" g0 W' C6 L
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & g1 A* m5 [6 t/ y
Metal roof ?? , @# c$ x( y& {what's going to happen in a hail storm, will it be very loud ??? k: X; ]2 ` ]& \1 O9 XSummer raining seas ...
icing 发表于 2014-6-7 22:36 7 W+ V9 m4 Z$ V+ K) |* ?8 I
Metal roof ??* N/ ^/ L# z+ p3 z8 S
what's going to happen in a hail storm, will it be very loud ??? . n0 @* B: ] _) tSummer 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.