Advantages 4 |8 f* G% `6 r" }: I. bVery durable in cold weather Z/ |9 P* t; L, l! C# Z8 O; @High percentage of recycled material and are 100% recyclable, e# L9 }" E3 p% d# ]' v
Disadvantages0 b4 D7 C2 O4 p6 S) }# r" f0 a; @
Rusting (require maintenance to prevent corrosion) 6 l' W: o$ H8 f* {Copper and lead roofs can be targeted by metal thieves2 u2 b( r4 D( u! r' q+ V, q
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( _- p5 i. u6 e) d6 J: t! g
Cellular and radio reception may be negatively impacted
Metal roof ??) z2 V3 N8 ^) t: Z7 J
what's going to happen in a hail storm, will it be very loud ???1 B8 a9 Z; ?3 k0 h
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 " v O+ _: d% `# S7 R7 X( {
Metal roof ?? 6 K: U# J, ?& B5 e( Twhat's going to happen in a hail storm, will it be very loud ??? ( e) n9 ?, F8 ]Summer raining seas ...