Advantages # o+ R* h4 q! I7 d" j! HVery durable in cold weather: J. ^2 |1 d, O' ^' w& z
High percentage of recycled material and are 100% recyclable U5 @2 R9 \2 E! g% j$ G2 S
Disadvantages8 A: d" K3 G! D4 g- S
Rusting (require maintenance to prevent corrosion) 6 b. @+ ^1 u; U7 {2 B6 |; m2 ^Copper and lead roofs can be targeted by metal thieves7 |3 x3 P: y* W( \
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure / T+ w5 U. X9 }1 lCellular and radio reception may be negatively impacted
Metal roof ?? ( Q4 D5 P9 K7 g! k5 twhat's going to happen in a hail storm, will it be very loud ???# |( k3 ]) }& Q5 Z7 W) t
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 - Z @4 s( X3 W$ D, t, e# t& k% K
Metal roof ??) N0 s' Y: H* G- K- P7 {
what's going to happen in a hail storm, will it be very loud ??? % g: k$ b. e+ n- f, v1 @( FSummer raining seas ...
, h; B8 p2 J. \: r3 Xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.