Advantages' I4 [, j* @: q4 P
Very durable in cold weather# j: m! s6 `1 T! L1 I5 J# I
High percentage of recycled material and are 100% recyclable " O2 w! ?! F% e5 R$ \. QDisadvantages7 P8 _, R6 u' N! S2 W/ T
Rusting (require maintenance to prevent corrosion)" H7 p% C* }5 f8 _: x& H; g% e
Copper and lead roofs can be targeted by metal thieves * J6 x: R6 U" w3 lHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure8 _' w2 k a7 z' @, @8 y$ i, n
Cellular and radio reception may be negatively impacted
Metal roof ??1 q# i, k7 ~" v: S. O( e: E3 F
what's going to happen in a hail storm, will it be very loud ???. W' U/ u! A7 m( e, g4 S
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' `" D" G z( y0 g4 ]. m
Metal roof ??2 K P& c9 m: X) y% e7 P
what's going to happen in a hail storm, will it be very loud ??? & F" J, ~2 q& K) e3 ~ gSummer raining seas ...
icing 发表于 2014-6-7 22:36 7 R# ~% T. z8 x+ C2 m5 s; DMetal roof ??/ A0 u% A' H W+ T% L: S9 ?. x
what's going to happen in a hail storm, will it be very loud ??? 9 z/ Q) N. e4 b' m& fSummer raining seas ...
7 L6 f" G; M. F: f! F" f, kthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.