Advantages : [5 _) _! u1 T) s/ A% ^Very durable in cold weather ! z) o" o& b5 y/ UHigh percentage of recycled material and are 100% recyclable $ T% B2 Z. x i J' A4 UDisadvantages9 v" O% r4 }! y8 D
Rusting (require maintenance to prevent corrosion) / \9 B5 p) Z" K8 HCopper and lead roofs can be targeted by metal thieves3 \' {6 u' m) ^3 h1 d* H
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure/ X$ N7 M& D/ }. H: [+ O
Cellular and radio reception may be negatively impacted
Metal roof ??( v$ `9 Y4 L X; N) s
what's going to happen in a hail storm, will it be very loud ???. C5 }$ k0 I; c1 G& T) X' z: q
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) T( A! U+ P! [; p
Metal roof ?? ( g: w0 |+ n0 z: mwhat's going to happen in a hail storm, will it be very loud ??? $ F5 k( E+ J4 ]8 {Summer raining seas ...