Advantages / ?4 j: s3 {) d& d* h. OVery durable in cold weather 5 a9 L; ^$ T3 {# L' wHigh percentage of recycled material and are 100% recyclable ' s. J( l7 k4 [) K* MDisadvantages 1 X& z0 z1 u. q9 R- XRusting (require maintenance to prevent corrosion) , u. X% D) {/ h" M$ e$ d6 j( vCopper and lead roofs can be targeted by metal thieves # \5 F5 x8 j: }High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 ?+ h: @8 N% T$ E' s5 KCellular and radio reception may be negatively impacted
Metal roof ?? ' v1 R, q" j; d4 Rwhat's going to happen in a hail storm, will it be very loud ???% v! W: P e& Q
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & y% [; M. N, F4 c3 P+ a7 s. d3 n7 y5 c
Metal roof ?? $ b; q6 ^ h! G, k* c! cwhat's going to happen in a hail storm, will it be very loud ??? % M9 K0 j8 y S. _4 jSummer raining seas ...
icing 发表于 2014-6-7 22:36 7 O0 s# N9 g2 W. O; ?
Metal roof ??, U6 Z. C' d! s3 u0 n3 R
what's going to happen in a hail storm, will it be very loud ???, G+ d5 u2 e9 v8 ^
Summer raining seas ...
3 U6 i( q# d& k5 ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.