Advantages( p% t$ G8 V$ R+ a) W8 Z/ K
Very durable in cold weather6 k, C `, K- m% z1 ~$ [. ]3 C
High percentage of recycled material and are 100% recyclable7 {- G0 B' n: F% w& U; n
Disadvantages+ k3 z. O, e. s8 e! o9 m; a
Rusting (require maintenance to prevent corrosion)/ S" S' P3 l. @7 q0 q
Copper and lead roofs can be targeted by metal thieves- |2 W( m9 l; U7 a! M$ t1 Q
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure- _& H5 n$ ~- t+ V5 R) y3 D
Cellular and radio reception may be negatively impacted
Metal roof ?? 8 C, U, m$ q/ mwhat's going to happen in a hail storm, will it be very loud ??? + N( \& _* O' C8 QSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , s' x! E( f' n! w( m$ u3 X) lMetal roof ?? ) d( B5 ~% `0 r( a Swhat's going to happen in a hail storm, will it be very loud ???4 c3 G9 h+ I+ l9 U* c
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 u, n: ^% M5 H# c/ b
Metal roof ?? & U$ M, M, Y. `& Y9 b: gwhat's going to happen in a hail storm, will it be very loud ???9 T+ j2 M. G$ `5 q
Summer raining seas ...
8 j: y. W! A# b4 ithat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.