Advantages w1 }" h. o3 p# ?. kVery durable in cold weather / b8 L% Z( E: N3 f) Q) u' @& A" sHigh percentage of recycled material and are 100% recyclable4 b( n. }: y+ b# }% g9 _: d6 y
Disadvantages 5 `2 Q7 n$ A8 c9 | rRusting (require maintenance to prevent corrosion), l6 X2 e$ k/ j' V" P: h9 i1 k
Copper and lead roofs can be targeted by metal thieves - b2 y' @6 u3 JHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure Q* R& ~: w4 ?* v5 f
Cellular and radio reception may be negatively impacted
Metal roof ??6 ~' k1 [, o1 x( z
what's going to happen in a hail storm, will it be very loud ???# i: ]% N4 W( |. s7 J
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 x8 `) O$ |1 I- r
Metal roof ?? ! y0 m$ c! \8 G, w- Xwhat's going to happen in a hail storm, will it be very loud ???& \2 K0 W; _1 F; q/ d7 s6 i
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) O, |4 ]) v: o+ L' D0 l+ m$ Y/ e
Metal roof ??2 B8 v' _! x$ D5 O; M9 [ k. d; T
what's going to happen in a hail storm, will it be very loud ??? ; }, m# @! o/ x5 R- lSummer raining seas ...
( K2 r6 O; O( O# i
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.