Advantages ; P$ q( @# T# r, s! Y! WVery durable in cold weather 0 ~% F0 M; r2 n% y3 LHigh percentage of recycled material and are 100% recyclable : z1 j7 Q' a7 B- k2 |* K8 ODisadvantages + T5 q% e4 ]$ l% ~4 x. I5 L) wRusting (require maintenance to prevent corrosion) / U/ g' f+ ]/ _2 ~& q+ [6 KCopper and lead roofs can be targeted by metal thieves 6 a: A) I& j" R. [# c$ BHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 o/ X9 k+ ~* |Cellular and radio reception may be negatively impacted
Metal roof ?? ) V- B* A' P* uwhat's going to happen in a hail storm, will it be very loud ??? . ]& o- n. x X- SSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : v" {6 ?8 Z5 m- m: G
Metal roof ?? 9 M( h2 F+ f& y1 awhat's going to happen in a hail storm, will it be very loud ??? 4 m! r8 q: r$ c1 }Summer raining seas ...
icing 发表于 2014-6-7 22:36 ( |7 d5 o. n( P1 B6 N" E- v3 w
Metal roof ?? 1 l' X; G: z a% O `- e" j/ ywhat's going to happen in a hail storm, will it be very loud ???/ T% T6 Y6 d$ ^2 K& s. u1 H- ^
Summer raining seas ...
* ~( A5 l( U8 Z* b* |6 m
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.