Advantages/ o1 q8 v4 l! @2 l3 S! K( ]
Very durable in cold weather ( I* w' D* H- D' l2 L+ K/ B3 M; i4 ^High percentage of recycled material and are 100% recyclable( }# }* g+ `. f W: T
Disadvantages 0 s3 d, g; f8 z) }( n W$ E+ MRusting (require maintenance to prevent corrosion) % ?7 e4 } T. w+ C) sCopper and lead roofs can be targeted by metal thieves + j5 G- i! P; w: g+ I, v1 JHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# J. ^* T& H' s# v$ M9 U+ z
Cellular and radio reception may be negatively impacted
Metal roof ?? / ~; v* Q4 z0 I- A% `what's going to happen in a hail storm, will it be very loud ??? : ^* n$ V: s% u8 Z- ?" w( oSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 # ^6 U9 ~. p( _) h
Metal roof ??1 A3 R4 E0 i( p8 K+ c; N
what's going to happen in a hail storm, will it be very loud ??? 4 ]8 V$ A$ {0 j0 qSummer raining seas ...
icing 发表于 2014-6-7 22:36 # X7 j/ O/ Q; D# k0 j1 gMetal roof ?? ( n6 _% C+ L' Ewhat's going to happen in a hail storm, will it be very loud ??? % S4 k" ^8 I; KSummer raining seas ...
% b6 r4 T# g; g; jthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.