Advantages ! F Z$ q* L9 u; s1 S# dVery durable in cold weather9 [& r/ Q3 w0 c0 B
High percentage of recycled material and are 100% recyclable1 L+ o2 m% s6 Z& @! m+ m, E7 V
Disadvantages $ R" m4 z7 i k& eRusting (require maintenance to prevent corrosion) 9 U; O4 Y$ g* q) x! r0 gCopper and lead roofs can be targeted by metal thieves6 J" P* V1 `* x, ~
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure % M' x2 x' _ u# h6 z6 rCellular and radio reception may be negatively impacted
Metal roof ??% u1 P @7 F) x7 ]5 m7 f# s2 v) `
what's going to happen in a hail storm, will it be very loud ???% K' F2 G# b: D, U% [3 t. h
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 3 C. t8 v, v9 Z. ZMetal roof ??% t8 j! p; W5 |& | Q
what's going to happen in a hail storm, will it be very loud ???% O5 N! l: p; B2 k+ ]
Summer raining seas ...