Advantages- B: n0 F8 l: i7 l n
Very durable in cold weather . U p7 i! c; k2 q, @, b* xHigh percentage of recycled material and are 100% recyclable7 ^3 R+ P" @/ e. e3 v1 T: Y: Q$ k
Disadvantages4 F: a5 |7 E" l- O3 z
Rusting (require maintenance to prevent corrosion) : h W2 ?+ t5 G. UCopper and lead roofs can be targeted by metal thieves : t" Y. y! j0 f0 e* f* ZHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure& c9 k2 W6 }! C7 h2 Q
Cellular and radio reception may be negatively impacted
Metal roof ??) q! m8 y1 _% Q$ o
what's going to happen in a hail storm, will it be very loud ???, X3 j- @* V7 R$ K9 N% D6 m* `
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 B9 X0 g% O* ^* B2 PMetal roof ??0 W& c/ g: T: X9 T9 u* P- D
what's going to happen in a hail storm, will it be very loud ??? ' Y" L; R. J: X% s r( g3 gSummer raining seas ...
icing 发表于 2014-6-7 22:36 & I3 s3 ?6 U; i2 \2 E0 u
Metal roof ?? * D; m* X5 g- v# j7 nwhat's going to happen in a hail storm, will it be very loud ??? ' N% L9 F( D) G. Z# h9 zSummer raining seas ...
/ l4 Q5 j( t% B r3 G
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.