Advantages2 e( e' j7 J: [
Very durable in cold weather9 }6 d# l( w6 Y) U8 H5 Z) s
High percentage of recycled material and are 100% recyclable 2 Q3 G( ~) b6 B2 |% c6 H$ B7 R2 FDisadvantages( i( z. [& T; ]1 k, u4 z. m
Rusting (require maintenance to prevent corrosion): N& V5 Y7 i4 {2 U! n4 s
Copper and lead roofs can be targeted by metal thieves# r, \/ ~2 L; ?7 P( p9 c( Q ]
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure $ \2 I8 V+ I B$ e3 q4 G6 y6 CCellular and radio reception may be negatively impacted
Metal roof ??, H. _0 x3 ~6 E" f4 t
what's going to happen in a hail storm, will it be very loud ??? $ D9 M$ x" G4 b" NSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) |! _% E3 R6 Z
Metal roof ?? & ~! J. }: s8 i! L' }what's going to happen in a hail storm, will it be very loud ??? j2 e/ t& N$ D4 G8 X- C" gSummer raining seas ...
icing 发表于 2014-6-7 22:36 $ V5 i$ O% F( |' {& C# q% K, g6 S
Metal roof ??" y! M- ^& v, I# g$ B
what's going to happen in a hail storm, will it be very loud ??? # F5 K: Y7 ?) s% HSummer 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.