Advantages2 ^% d/ C, p: V
Very durable in cold weather 8 f( D. x6 i1 nHigh percentage of recycled material and are 100% recyclable/ p) Z2 T( V) T% R* e: g3 f! K
Disadvantages) E. Q: r" E. b! ?% A* C( O/ h' z- U9 \
Rusting (require maintenance to prevent corrosion) / W/ B, m1 `; G% Z8 ]) K) J6 y4 \Copper and lead roofs can be targeted by metal thieves 6 u, P6 I# f8 ^8 KHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 u/ v$ A$ w; d+ gCellular and radio reception may be negatively impacted
Metal roof ?? 0 u* x2 i, a2 l0 K8 y- @" ^6 Lwhat's going to happen in a hail storm, will it be very loud ???4 o5 C6 h, ^% `# ]
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 K8 M$ Q' J a# l5 V
Metal roof ?? ! D' c; v! ~+ p3 vwhat's going to happen in a hail storm, will it be very loud ??? 2 T, c: ?3 R c2 n, R M! {Summer raining seas ...
icing 发表于 2014-6-7 22:36 . y& s. ~7 j% W4 E0 ZMetal roof ??) i5 h7 U5 a* [/ s$ c" o) D
what's going to happen in a hail storm, will it be very loud ???" p4 n' y9 {) A g( w
Summer raining seas ...
& W: _! a9 c( ?0 zthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.