Advantages 4 v6 w9 s7 I' q' Y& _Very durable in cold weather# ~/ u! W5 {$ a( I% c- J/ ]4 L
High percentage of recycled material and are 100% recyclable ! z7 m3 A- W: UDisadvantages4 b% b5 X( y( _
Rusting (require maintenance to prevent corrosion)1 g& `: T* V; d
Copper and lead roofs can be targeted by metal thieves% v/ ^. X5 y/ P! @4 f( o
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 7 @7 J) p- z s I+ JCellular and radio reception may be negatively impacted
Metal roof ??& Q; S, L: ]: \; @( Y0 J# y
what's going to happen in a hail storm, will it be very loud ???% F! I; }& s( P `+ y
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ( w" D' {, L2 G8 B' G2 J1 [
Metal roof ?? $ p9 C9 S: X* dwhat's going to happen in a hail storm, will it be very loud ???! H$ Z; S( h: e8 N- G
Summer raining seas ...
2 n3 X5 q: V/ a4 ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.