Advantages 2 M! E8 ]# x& K% r! V7 P# BVery durable in cold weather/ e; j, C" I; n; r# I, X5 P: C
High percentage of recycled material and are 100% recyclable ' S* F: ]+ E) U" n/ NDisadvantages( M' r8 y" f# j1 U& Q" }, {2 v
Rusting (require maintenance to prevent corrosion)2 o. l6 n' @( i8 v) q8 Y
Copper and lead roofs can be targeted by metal thieves 3 F$ v, c9 o1 f9 M8 g2 {8 f Z. h* KHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure) L6 J% \- h& `8 h- J' ~9 ^! @
Cellular and radio reception may be negatively impacted
Metal roof ??4 t( [- K* \% ^/ X
what's going to happen in a hail storm, will it be very loud ??? 4 ~9 @) K, S# i5 O2 P$ j2 QSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; H$ k7 r- R3 @
Metal roof ?? + m, b, V' u" K% Ewhat's going to happen in a hail storm, will it be very loud ???" t4 j/ C, J5 i7 {: A
Summer raining seas ...
icing 发表于 2014-6-7 22:36 9 |$ F* h: T& L% Z( y+ c3 N
Metal roof ??3 v7 P; t& e; T
what's going to happen in a hail storm, will it be very loud ??? $ Z# h7 V; h1 nSummer raining seas ...
" |/ l6 h, h, |- |that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.