Advantages / t4 L% [. l& tVery durable in cold weather; @8 ?& u5 v! e3 }& l- x8 r
High percentage of recycled material and are 100% recyclable, ]' d$ ?6 P y6 _3 Y
Disadvantages; l0 U% {' P" p9 F e) ~0 d2 P5 l
Rusting (require maintenance to prevent corrosion)% T7 _( [9 b' j" t. G4 o
Copper and lead roofs can be targeted by metal thieves% a! p& E) ?8 D6 l( G
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# z& l: q3 |8 s, k
Cellular and radio reception may be negatively impacted
Metal roof ?? 9 f4 Z6 X' d# H) ?1 X- U. Pwhat's going to happen in a hail storm, will it be very loud ???! r1 X1 f3 e" d; D! |9 {8 S
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 T( C5 |2 e- z6 P3 Y
Metal roof ?? * ~5 ~- g1 P1 y% j2 owhat's going to happen in a hail storm, will it be very loud ???6 G7 q ?! q9 S" P m5 f2 {
Summer raining seas ...