Advantages% T* x' I8 l8 W- \' |9 E6 B0 m
Very durable in cold weather ) F6 y: T7 ~7 mHigh percentage of recycled material and are 100% recyclable 0 [* D2 _, }- b! ADisadvantages5 W0 w5 s( i+ _" A: L b- I& u# e5 h
Rusting (require maintenance to prevent corrosion) , u3 w1 o$ R& @* r" s, w3 ACopper and lead roofs can be targeted by metal thieves ( p& i/ i' H: R! e; f1 oHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure, t' F! t' u5 X* R' L2 t
Cellular and radio reception may be negatively impacted
Metal roof ??- F. P; P) [( C
what's going to happen in a hail storm, will it be very loud ??? 1 T- y2 E& l6 D1 R7 bSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : s. G! u/ s+ h' h% s; rMetal roof ??1 s! E# y8 k8 z1 w
what's going to happen in a hail storm, will it be very loud ???4 O7 ]& w6 ?1 o f+ p5 M/ U) s
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ! C8 t! f& R* D) G& BMetal roof ??% b: X( t. b7 K
what's going to happen in a hail storm, will it be very loud ???' t6 ~$ k% l0 E8 D% F
Summer raining seas ...
/ [+ y' G, E+ Z3 \2 A0 pthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.