Advantages " z7 X! f; t+ U) ^$ GVery durable in cold weather ! c( {/ q2 Z1 y1 eHigh percentage of recycled material and are 100% recyclable& K- s Z& P, {. m: ^/ O5 F
Disadvantages 9 ?0 |8 I' d7 u( GRusting (require maintenance to prevent corrosion)5 h5 |, s- p; k# ?0 ^3 n
Copper and lead roofs can be targeted by metal thieves 0 J: ^3 y" u1 k; ~, A! |2 m( PHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure0 @/ x2 D3 I; r" i: d
Cellular and radio reception may be negatively impacted
Metal roof ??; P/ j' D1 l6 y: I
what's going to happen in a hail storm, will it be very loud ??? , F+ D& D0 Q+ kSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 " I5 e6 {4 u, C# @ p) y. l
Metal roof ?? % V. J, F# @9 V, D# {, S# Jwhat's going to happen in a hail storm, will it be very loud ???/ |: w, i* V- a
Summer raining seas ...
. G" g( R1 b1 Zthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.