Advantages# R1 `) X0 E) b. q8 m* E4 v# Q/ V
Very durable in cold weather `) X/ g7 E2 V- x5 W
High percentage of recycled material and are 100% recyclable / m& v0 L; Q5 l7 F+ c1 ADisadvantages! `. D: x3 V4 z" m. M Z: e
Rusting (require maintenance to prevent corrosion) 7 p( R: _& W% @+ p; B3 ]Copper and lead roofs can be targeted by metal thieves( J: N6 D4 |* D( k d8 S' Y4 o
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure/ S: {& R4 d* r+ i
Cellular and radio reception may be negatively impacted
Metal roof ??; H- C2 ]0 D, O. T: J' K
what's going to happen in a hail storm, will it be very loud ???. ~ i( P j( B$ W
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 " r+ r, ^" G9 u# ]3 JMetal roof ??, w v5 L0 V( s) T
what's going to happen in a hail storm, will it be very loud ??? " P R4 R( n% ]$ e" HSummer raining seas ...
+ Z" Q P5 l. N$ p8 Uthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.