Advantages1 Q$ c3 Z, d8 ~" \
Very durable in cold weather7 m9 H/ F8 X# g T
High percentage of recycled material and are 100% recyclable' @* K) k( D: H9 ?; G" L$ b
Disadvantages1 v, h4 N+ i/ @+ G
Rusting (require maintenance to prevent corrosion)5 R3 j$ y8 W( {$ V8 o
Copper and lead roofs can be targeted by metal thieves" x- m3 }" S+ u) c A* L* E: S4 i
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure * `8 q8 T+ ~* @Cellular and radio reception may be negatively impacted
Metal roof ?? ; }% i: M$ g1 M% O# R; o) i* }what's going to happen in a hail storm, will it be very loud ???, V+ { A; c$ o5 c- G
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 D0 S7 `) d( G3 w# SMetal roof ??+ T& d6 h5 ~4 r# |# ?0 [0 ?! o+ }
what's going to happen in a hail storm, will it be very loud ???) e4 U6 h p# ]6 v9 m) t# t
Summer raining seas ...
icing 发表于 2014-6-7 22:36 % B. ]4 C. W% r% Q( z
Metal roof ?? 6 T3 k2 W: i* K9 n; Cwhat's going to happen in a hail storm, will it be very loud ???/ T8 X) l2 P+ n4 s
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.