Advantages0 @4 I- \. q/ p* ?8 z7 }" w7 l, c
Very durable in cold weather * T/ L% c3 y# f6 C! xHigh percentage of recycled material and are 100% recyclable 5 ^+ e. H y% L5 |Disadvantages" y F# \2 G6 q/ P* G
Rusting (require maintenance to prevent corrosion)" o1 e- x: r7 j8 z
Copper and lead roofs can be targeted by metal thieves " j7 B+ g+ ^1 \% QHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 h5 o! h4 j; F' O) CCellular and radio reception may be negatively impacted
Metal roof ??8 z6 x) t5 `' P1 D. a- U
what's going to happen in a hail storm, will it be very loud ???! o# D, G0 f& m7 U- y% Y- N9 e {
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 + ?' _, Z. P9 s/ J9 I' FMetal roof ??$ u* ^5 _1 [: f }
what's going to happen in a hail storm, will it be very loud ???0 g9 J: v* c. ?; G- q
Summer raining seas ...
" ^- N" @% j1 V" c+ B* D
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.