Advantages+ @. F- J3 ^* N8 i
Very durable in cold weather ' R) F5 u6 @ v9 \: q3 F! DHigh percentage of recycled material and are 100% recyclable . [* P# q2 m. M/ qDisadvantages + ]5 d0 k O+ YRusting (require maintenance to prevent corrosion)# z5 N/ u. ~/ ~1 A
Copper and lead roofs can be targeted by metal thieves' K: g& W' c7 x
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure1 ]# Q& [: A; U" ^) u( R
Cellular and radio reception may be negatively impacted
Metal roof ??% C4 c, R# t3 A: i
what's going to happen in a hail storm, will it be very loud ??? 2 W2 s% P+ j/ S& {8 B/ w8 LSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 x2 E% U9 G! h
Metal roof ?? 5 I+ h8 I4 F9 T9 {3 Owhat's going to happen in a hail storm, will it be very loud ???5 ^4 }4 v8 q+ w! ~
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 l& H5 _& @. [: C& p+ \Metal roof ?? # ^& o5 F4 ?8 Nwhat's going to happen in a hail storm, will it be very loud ??? 7 u1 E. I }% _& Z# LSummer raining seas ...
" v4 O3 K! _. x2 ^that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.