Advantages2 T* E. K! k* x) A& }9 H
Very durable in cold weather # B: V- c2 H; i: D6 fHigh percentage of recycled material and are 100% recyclable - t- a8 @. D( G8 r& yDisadvantages ; B& M: |8 V* v, h rRusting (require maintenance to prevent corrosion) 1 A F, z; [( z8 q9 N# ^Copper and lead roofs can be targeted by metal thieves ! H$ f: g7 _' A0 d3 ~4 tHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure1 Y" q1 L y5 [- `. O4 e5 g. g* h
Cellular and radio reception may be negatively impacted
Metal roof ?? ; t: ]$ L! }/ T4 w, R Hwhat's going to happen in a hail storm, will it be very loud ???8 v$ L) \& z2 R& C
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : k0 E, C5 p, s2 L7 ]( @
Metal roof ?? ) j" e$ p( P! f' v3 E+ b) vwhat's going to happen in a hail storm, will it be very loud ???! x8 \3 L: k3 C$ a/ t1 Y2 h
Summer raining seas ...
icing 发表于 2014-6-7 22:36 7 x6 s9 f% f/ a
Metal roof ??/ T4 M5 r0 _: s/ ?1 k7 k7 H/ ?, L
what's going to happen in a hail storm, will it be very loud ??? - M; \/ V1 S' f M1 O) S+ l" F: XSummer raining seas ...
/ R/ z( e7 B5 m% r9 \; ithat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.