Advantages% h" u8 I+ i9 X! v! d* G
Very durable in cold weather; ^+ C9 D* m9 M* t8 T4 @/ `8 v2 ]
High percentage of recycled material and are 100% recyclable 4 f5 ]" f6 f3 cDisadvantages ; r- j5 P: l5 ~Rusting (require maintenance to prevent corrosion) 9 I2 H; ^( @: O9 c3 lCopper and lead roofs can be targeted by metal thieves! h( S* w3 W6 `. R" S7 [0 B. J
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# Y9 C7 p0 P6 i6 K- C: |
Cellular and radio reception may be negatively impacted
Metal roof ?? 4 v, L) w! h& k6 ^/ gwhat's going to happen in a hail storm, will it be very loud ??? 6 [, [. f$ `' d5 ^6 p! o* x) B6 ySummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 # D6 }0 z( v+ a( V4 ?
Metal roof ??) X$ Y) M) X7 l; b9 M: Q
what's going to happen in a hail storm, will it be very loud ???# {# Q& x% w" b
Summer raining seas ...
; V1 B y$ K9 Lthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.