Advantages ( J) P# [) o3 @0 L! ?( FVery durable in cold weather & W( k6 M& h) v1 P; a3 GHigh percentage of recycled material and are 100% recyclable9 q$ k; b D/ [
Disadvantages ' I/ r9 f3 r- _5 MRusting (require maintenance to prevent corrosion) ! W; a% o. z, M9 hCopper and lead roofs can be targeted by metal thieves" F: K+ O J- |. A6 C1 u* B* R1 P
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ; O5 {! {! I4 e8 k: Z' vCellular and radio reception may be negatively impacted
Metal roof ?? 6 G' U3 H7 e( R: L; mwhat's going to happen in a hail storm, will it be very loud ??? 8 v) D+ b% r- w' i! x7 TSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 + M: i6 P' O3 H- a$ Z4 k5 F7 CMetal roof ?? ) F- u& b1 v \9 Qwhat's going to happen in a hail storm, will it be very loud ??? W9 f# E$ `# e: h
Summer raining seas ...
icing 发表于 2014-6-7 22:36 + D6 H- [; P3 B. fMetal roof ?? ) ~; i& s. v( p7 X- H7 Wwhat's going to happen in a hail storm, will it be very loud ???' C. X* Z& M& S. ~: k
Summer raining seas ...
2 U: n3 x) e5 n0 i
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.