Advantages2 Q; y/ v4 r5 t
Very durable in cold weather / K4 {# s* G4 t1 N- y- `; g) rHigh percentage of recycled material and are 100% recyclable+ G. E7 r+ @4 e( Y- R7 N1 n
Disadvantages' t. Y+ o9 G4 Y( E$ R7 y0 ]8 u
Rusting (require maintenance to prevent corrosion) 8 T" I- N& e+ b$ X9 W) w; r4 fCopper and lead roofs can be targeted by metal thieves5 ~5 ]/ c" h* R
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure * R7 D2 p b, ]. Q6 T8 dCellular and radio reception may be negatively impacted
Metal roof ?? u$ W/ \5 }0 c) m0 ewhat's going to happen in a hail storm, will it be very loud ???3 B0 M# w) `) U- g! G# K
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & F: K& E3 z& K0 N) E4 M% x
Metal roof ??1 ?. K# w) f9 `( l
what's going to happen in a hail storm, will it be very loud ???9 g% `3 G5 E4 P. r$ E
Summer raining seas ...
icing 发表于 2014-6-7 22:36 3 y. p; L0 I! e. ~: }% JMetal roof ?? 5 k! u4 p/ t$ f6 B, [. O! r1 K# j% Owhat's going to happen in a hail storm, will it be very loud ???) m. H. A* e* ~( e2 ?
Summer 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.