Advantages " w9 x) b9 B& s9 O5 V( N' C8 SVery durable in cold weather 4 h# a$ M) J! G% pHigh percentage of recycled material and are 100% recyclable4 j5 Z2 t+ y8 k' f
Disadvantages7 F: B" L E9 P
Rusting (require maintenance to prevent corrosion)3 T" {5 P7 |: M' o% ?/ X( A' q: c
Copper and lead roofs can be targeted by metal thieves) }. }) s/ n4 J( S4 Z) @% C
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure- ]( k) g# i, t5 Z9 h) ^- w
Cellular and radio reception may be negatively impacted
Metal roof ??% {7 x: V" t, f% d
what's going to happen in a hail storm, will it be very loud ???, D b e" W4 ~
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) O [1 q& l' y" QMetal roof ?? $ I2 k, e; G+ c& g ]- Q, ?what's going to happen in a hail storm, will it be very loud ??? # g- m4 s( B: h1 ~5 O, _( Z$ K& @- ESummer raining seas ...
icing 发表于 2014-6-7 22:36 : U, a& e) L! L# Y C# K
Metal roof ??8 D l9 i. o) q- ~' T" n
what's going to happen in a hail storm, will it be very loud ???$ M$ [4 ^# i' R3 K2 n: V5 ?
Summer raining seas ...
c) u" a/ o! c4 r: `$ g
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.