Advantages8 X7 Q2 O. l/ t- D
Very durable in cold weather; n+ F/ X2 e0 Y; ^* w0 w) `0 S
High percentage of recycled material and are 100% recyclable( q+ j$ F6 S8 C6 A& ~
Disadvantages $ k3 Z* V4 Q( g% @$ w, CRusting (require maintenance to prevent corrosion) 5 I2 E) v/ ]6 b: x- J9 \1 CCopper and lead roofs can be targeted by metal thieves* a0 A+ {2 z/ b& \" M+ x
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# i; z s5 [5 o& B
Cellular and radio reception may be negatively impacted
Metal roof ??: s0 ~) W5 ?. L1 g4 h% p: \# N' A/ e
what's going to happen in a hail storm, will it be very loud ??? 5 H# D- V7 C" G: U, H# MSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 |; Q$ p$ V* E3 `) s+ k9 s
Metal roof ??5 m# Z: M" P& r6 w. x1 t
what's going to happen in a hail storm, will it be very loud ??? * v, {7 P% y A0 d1 wSummer raining seas ...
icing 发表于 2014-6-7 22:36 5 u0 w7 A5 ?8 s+ @" R0 ]8 h+ N
Metal roof ??0 j3 u+ \% L* T2 p
what's going to happen in a hail storm, will it be very loud ???) P/ ?/ a$ d: J2 C8 R ], M
Summer raining seas ...
, R+ n/ ]' H# hthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.