Advantages3 h4 T6 g/ E! J. [- a% b* A
Very durable in cold weather . Z; y3 y7 `; F) ?High percentage of recycled material and are 100% recyclable2 f9 r9 a6 T4 u. S
Disadvantages . C+ V/ g; _& ]0 v- w+ LRusting (require maintenance to prevent corrosion) 1 a3 i Q( \+ cCopper and lead roofs can be targeted by metal thieves" o- x4 h5 {+ g3 T4 B1 k
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : v) V& c9 @" m L5 K: oCellular and radio reception may be negatively impacted
Metal roof ?? * Z, h, h* O* e- m. pwhat's going to happen in a hail storm, will it be very loud ??? + H6 k" B% C! z& z* YSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 _: F. c# ]) Q6 S# ~( ^) M3 @Metal roof ??/ z! ^$ o+ G7 G7 J
what's going to happen in a hail storm, will it be very loud ???! D4 {' i2 z/ j" k1 w
Summer raining seas ...
icing 发表于 2014-6-7 22:36 - C4 z; `0 k/ o* J, x. s
Metal roof ?? 4 a; ~, H& a1 k% T4 ^6 f: y% Y6 N) jwhat's going to happen in a hail storm, will it be very loud ??? {+ H1 G3 O* n& P6 C+ `1 s
Summer raining seas ...
- C$ d! V% t( u, D6 c9 ~
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.