Advantages& |4 s; E1 P' a) r* y5 t
Very durable in cold weather ; z$ V( B" P3 F1 W9 r# K# GHigh percentage of recycled material and are 100% recyclable3 S. T% `/ v/ _2 j$ A3 G; P4 U
Disadvantages - k9 X/ Y& O5 z" j& j% A) HRusting (require maintenance to prevent corrosion)3 p2 j2 e( o" q/ u8 t
Copper and lead roofs can be targeted by metal thieves1 d9 G* n7 _$ j" I: G
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure , P# u6 s2 T3 ~3 |4 iCellular and radio reception may be negatively impacted
Metal roof ?? 1 C) C* W X8 g, P5 Q: `4 {what's going to happen in a hail storm, will it be very loud ??? ! T+ Z- V! v) A" w$ {Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 / Q2 f. P* G; k: D5 l' T
Metal roof ?? ) b% X" Z/ \5 a# _what's going to happen in a hail storm, will it be very loud ???9 r& G; ]: f& Z6 D/ {% l4 d) w
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ' I+ T6 |; o |9 o
Metal roof ??( p. |2 S; Q) H6 [, f& ?' W3 `
what's going to happen in a hail storm, will it be very loud ???& l, H# s+ f3 }8 K% h' T( L8 f
Summer raining seas ...
6 n5 ^5 @! ` Q2 Xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.