Advantages [7 ~7 a: [4 {; q* `7 R f
Very durable in cold weather9 L! T6 N$ t" ?) M6 A2 E( X( M2 w
High percentage of recycled material and are 100% recyclable ! [0 ?% m: h( R2 ]2 YDisadvantages/ v; N& T( ?% T1 A. a
Rusting (require maintenance to prevent corrosion) 4 j- y2 l7 R! A/ K3 fCopper and lead roofs can be targeted by metal thieves/ u" _3 D+ R3 k6 ~( Y* K
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure1 p6 L9 T6 H/ `2 b
Cellular and radio reception may be negatively impacted
Metal roof ??9 b3 H5 T4 a) f" f9 F4 E. r
what's going to happen in a hail storm, will it be very loud ???6 D+ o7 g9 K5 n9 P v
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 / ~4 Z9 R! l- E/ EMetal roof ?? * d7 z" n4 W/ O9 g7 ?% Z+ [what's going to happen in a hail storm, will it be very loud ???# f1 s0 Q8 e c% Y% M
Summer raining seas ...
icing 发表于 2014-6-7 22:36 * k+ F+ z% z3 V) N" }8 s6 g" ]Metal roof ??3 p W' Y7 D: V Z" K# e
what's going to happen in a hail storm, will it be very loud ???4 N5 R$ Q J! L% u6 E3 `
Summer raining seas ...
2 r7 j q( S/ T. U* }7 ^
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.