Advantages5 N7 q5 a- B; x
Very durable in cold weather ( K8 M* |0 f" z+ p8 r' ZHigh percentage of recycled material and are 100% recyclable$ }6 f( n! L6 N* s; {, P1 q
Disadvantages N+ n! N& y6 p2 z* kRusting (require maintenance to prevent corrosion) ' V/ U+ ]6 v# y9 ^Copper and lead roofs can be targeted by metal thieves " H1 B0 M: P, @7 P6 S2 S9 X- WHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure1 C3 {. T+ Z" b# b1 |5 P8 O1 ^) A
Cellular and radio reception may be negatively impacted
Metal roof ?? ( ]9 a6 V- X) z0 P: b+ K& awhat's going to happen in a hail storm, will it be very loud ??? ' J( T8 g* S" g- S' HSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 + n% a( \- n: x5 `6 w5 q% ?/ Q
Metal roof ??1 i1 F5 h* n; M3 K5 t8 S
what's going to happen in a hail storm, will it be very loud ???$ u2 `- g& D$ y6 r' y! H8 o
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) h4 f3 N) L4 [" z( m
Metal roof ??% N; _- |3 G' P8 j t: I0 N
what's going to happen in a hail storm, will it be very loud ??? 9 M8 p4 x. `% T5 }: qSummer raining seas ...
. h2 d0 J9 l& L2 `3 P7 Xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.