Advantages u( g; K, u I+ X1 D
Very durable in cold weather+ i l5 T4 [) [3 h
High percentage of recycled material and are 100% recyclable( _. ~) O2 z3 s1 R, W, |
Disadvantages ' U- ]3 J, @7 Q; v2 X" _0 ]1 gRusting (require maintenance to prevent corrosion) : o+ d/ G; T5 R: r/ l) GCopper and lead roofs can be targeted by metal thieves ! y! x/ e. r7 f6 EHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure: t$ v+ I V" V: e8 s+ O7 Z
Cellular and radio reception may be negatively impacted
Metal roof ??! Z [8 t( W6 h2 o
what's going to happen in a hail storm, will it be very loud ??? ) L S3 F! \0 l" O1 C: ]! Z3 O8 \Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 D, }, W0 Y `
Metal roof ??2 O* V$ t. W2 H$ k0 W) n; a
what's going to happen in a hail storm, will it be very loud ??? ( w: j4 A" |; H' L; ^. lSummer raining seas ...
icing 发表于 2014-6-7 22:36 {, x7 [& U2 R$ R5 D
Metal roof ?? ( ]! U0 k2 z6 ^2 {" s: owhat's going to happen in a hail storm, will it be very loud ???& e g, k8 U& S+ d' \4 t
Summer raining seas ...
: |) Q' v. G8 [ W2 `that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.