Advantages: \; ]1 H& e, l) e L. R. M" F1 A
Very durable in cold weather + ]$ N0 F7 I# BHigh percentage of recycled material and are 100% recyclable 2 n! ]; X+ V y$ X4 g8 _Disadvantages2 t1 a' O8 ]* W% p
Rusting (require maintenance to prevent corrosion) 4 t7 r( `& e7 Q2 s3 RCopper and lead roofs can be targeted by metal thieves: S6 r# K# M# s8 p
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! t N& v4 A2 O, t1 Z6 s0 fCellular and radio reception may be negatively impacted
Metal roof ??) V+ S" ?! b5 [2 P1 |# E. L+ Y' m
what's going to happen in a hail storm, will it be very loud ??? ' C% j$ c0 h+ B# X+ H: Y$ \/ HSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' v+ @& x7 w2 \ L
Metal roof ?? $ s+ K/ H X: t) f" ywhat's going to happen in a hail storm, will it be very loud ???; O9 o1 }% i& q, w. }
Summer raining seas ...