Advantages ! ?; P7 A* [5 ^. B! rVery durable in cold weather ; K: s( _7 H; Q! I. h5 UHigh percentage of recycled material and are 100% recyclable ( r; R" E7 D0 I6 d' tDisadvantages / H( D' X; Z6 c. M# v5 LRusting (require maintenance to prevent corrosion)- p) R) ^# [$ J: F# D
Copper and lead roofs can be targeted by metal thieves" w: a/ E# p4 ]" ^0 k, @
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure; f% E! B* _6 b2 |+ i8 T1 [# r
Cellular and radio reception may be negatively impacted
Metal roof ??% u6 `. J& e$ x0 c$ i
what's going to happen in a hail storm, will it be very loud ???1 n% ^9 u/ P! i( B
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 + H& X* ?1 k2 y' o# K5 l- ~
Metal roof ?? $ X t6 o/ R# wwhat's going to happen in a hail storm, will it be very loud ???% u9 o7 m+ a! n0 l
Summer raining seas ...
% m* @, L' h xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.