Advantages* k) m$ Y M* q- x* c
Very durable in cold weather U. s2 I3 ^. l( Y7 W
High percentage of recycled material and are 100% recyclable 8 E5 I9 N' y2 l' `4 s7 {Disadvantages / N: U0 t# h r9 ARusting (require maintenance to prevent corrosion)& o4 x7 Z# E$ d7 _0 c
Copper and lead roofs can be targeted by metal thieves& c9 t# r. l' O) d
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 u' \, f! H/ O$ B6 P/ B0 J; YCellular and radio reception may be negatively impacted
Metal roof ?? 3 L3 w7 _5 r" L6 L' Y! ~& X0 Cwhat's going to happen in a hail storm, will it be very loud ??? & F6 ]9 [- ~* h" C! ~. m, `Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 h K* l t, PMetal roof ?? 2 K6 n9 ]. e0 X. d" Ewhat's going to happen in a hail storm, will it be very loud ???) d5 M5 e9 y2 f0 c& y! ?. U
Summer raining seas ...