Advantages & F% ^+ T# \' Y4 QVery durable in cold weather 4 o- P3 `: O o- i3 S" kHigh percentage of recycled material and are 100% recyclable / O( q* w5 V% @Disadvantages0 l8 M) ]4 J$ ~% R. X- z
Rusting (require maintenance to prevent corrosion) ! k9 o+ U8 Q# z' }8 A) mCopper and lead roofs can be targeted by metal thieves( p( ~* B8 V* F1 J
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure& G, k" V( O' u% M# J2 ?
Cellular and radio reception may be negatively impacted
Metal roof ?? $ @, t( q8 d9 i6 Q! e' [/ b0 owhat's going to happen in a hail storm, will it be very loud ??? $ v2 O6 W* R2 `Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ W8 h+ g; o7 J8 z9 D- C
Metal roof ?? # g0 k- h7 K) t6 i/ V, uwhat's going to happen in a hail storm, will it be very loud ??? 3 I7 r3 O5 }! NSummer raining seas ...