Advantages " w+ O4 S% D0 u i; Y4 K, qVery durable in cold weather7 K' D+ U# f& N
High percentage of recycled material and are 100% recyclable7 K8 l1 ~2 X0 r& _
Disadvantages* k% ^, c/ t8 C' K* a8 { C% C
Rusting (require maintenance to prevent corrosion); w/ f' V5 d7 M8 L
Copper and lead roofs can be targeted by metal thieves 7 H" |- r/ `+ u9 i* d1 z9 SHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : M0 o5 c7 x, L4 d: \1 I8 q- PCellular and radio reception may be negatively impacted
Metal roof ?? - D4 Z* i# m$ l- c7 b* j. A: {what's going to happen in a hail storm, will it be very loud ???. O- h, `! E* y$ ~
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) j, |0 V$ H& d/ z
Metal roof ?? % v8 _8 O8 ^6 L9 ?2 n+ m8 qwhat's going to happen in a hail storm, will it be very loud ???& A( i& e: K. n3 j$ q
Summer raining seas ...