Advantages " t3 Y& ]- \% X q% l% n3 M. YVery durable in cold weather$ R& W) F" C/ y0 Z3 _" G6 e" w m
High percentage of recycled material and are 100% recyclable2 D, ~4 U$ V5 a; S8 p0 M g
Disadvantages% N% I2 h B7 m' Q
Rusting (require maintenance to prevent corrosion) " ^7 |+ W+ N3 u- }1 B8 RCopper and lead roofs can be targeted by metal thieves9 I8 v$ _) T) Y/ V( \
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 9 j# N1 I- Y, U" z* B& w+ B9 hCellular and radio reception may be negatively impacted
Metal roof ?? % s/ Z& x& `1 D. H: \what's going to happen in a hail storm, will it be very loud ???- x/ ?! N4 B& v0 V. O; x$ S6 i) R# f
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , I1 P! L+ [9 N# p& T
Metal roof ?? 7 b+ N7 p/ I& iwhat's going to happen in a hail storm, will it be very loud ??? 8 s W% L1 ?% w0 k |Summer raining seas ...
icing 发表于 2014-6-7 22:36 : f, N3 j1 E: k' {3 l7 y
Metal roof ?? ( U: g% `2 m0 i/ {8 zwhat's going to happen in a hail storm, will it be very loud ???9 _7 }0 V; Y# j+ p4 D, @9 [& A
Summer raining seas ...
8 q1 g0 r& }+ K0 i: Sthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.