Advantages 6 v; i2 W4 b( MVery durable in cold weather: ~8 L. o$ z. D' o O8 D
High percentage of recycled material and are 100% recyclable $ D+ R' _6 c9 Y: A( _( D7 @ J6 CDisadvantages j* H0 s' \" ?8 K& T l
Rusting (require maintenance to prevent corrosion)5 J+ v# @1 d: m1 Z$ a' |. f p
Copper and lead roofs can be targeted by metal thieves 3 F4 K5 t+ r6 M; m; `! D* u: X# sHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure8 V% m O( q u3 G2 ^
Cellular and radio reception may be negatively impacted
Metal roof ??6 A4 p+ f5 W& E5 C1 c2 T& w% f8 r
what's going to happen in a hail storm, will it be very loud ??? ' `, U& m4 ?( o7 T7 G3 NSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 a" O1 |' V, l- a% a' c; _
Metal roof ??+ C3 A3 R5 ^* B+ j+ s2 U
what's going to happen in a hail storm, will it be very loud ???6 }; ]0 S5 W0 {, H
Summer raining seas ...