Advantages9 G: N1 G9 L6 ?- T
Very durable in cold weather4 F" u5 J0 \( i+ i' b1 j+ B" Q* x
High percentage of recycled material and are 100% recyclable # j6 U2 |5 ?2 o+ x* b KDisadvantages8 g5 h; H( N% N
Rusting (require maintenance to prevent corrosion)# D- n) C( S& K, K( X' j( y6 c! _
Copper and lead roofs can be targeted by metal thieves 1 M3 i+ f8 z3 U4 @8 N6 yHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure, R3 F# \" A' I
Cellular and radio reception may be negatively impacted
Metal roof ??# q, w3 f* Y- W1 R
what's going to happen in a hail storm, will it be very loud ??? 4 L' V# I4 W1 p7 j$ WSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 # ?4 g6 H: x- G3 X8 H" R& u# t
Metal roof ?? ( C1 l2 M1 d! S7 ?6 x) N1 u) I" }what's going to happen in a hail storm, will it be very loud ???+ N+ ?% f6 N' d
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.