Advantages4 G- P2 d) j, G+ u5 w' K1 b
Very durable in cold weather: g1 l/ J9 R- u L( ]" W0 W! ]: @
High percentage of recycled material and are 100% recyclable+ Y) {) F' M0 q
Disadvantages # g2 Q0 o. c! r$ u }9 b7 `9 MRusting (require maintenance to prevent corrosion)# ]# e7 t& b- q3 M4 k2 W" e
Copper and lead roofs can be targeted by metal thieves* D6 y1 M/ ^" _/ z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure $ s: `" J7 u0 s9 H# yCellular and radio reception may be negatively impacted
Metal roof ?? ( V$ C* L& u) \- Ewhat's going to happen in a hail storm, will it be very loud ???( b& O$ h# Y8 T. q! H1 a" {+ G
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) D6 u+ h9 [' Z+ h
Metal roof ??4 e( K0 D2 n+ N0 x
what's going to happen in a hail storm, will it be very loud ??? * \, h! L, ~9 L: [. ~9 ^/ k& c# WSummer raining seas ...
icing 发表于 2014-6-7 22:36 ' Y) o0 X; ]6 f3 ~
Metal roof ?? % F2 t% E# k( e: _/ [what's going to happen in a hail storm, will it be very loud ??? 7 m* z& j: a! c' L# N$ E6 A! DSummer raining seas ...
/ {& E, j4 |1 \7 L9 bthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.