Advantages& Q* I3 d7 N( w! G
Very durable in cold weather _) A l% H% a1 QHigh percentage of recycled material and are 100% recyclable$ @( l/ ~0 n( y
Disadvantages 4 C6 w% u% F& Y) U/ GRusting (require maintenance to prevent corrosion)( \; N+ f3 W" D, H# S
Copper and lead roofs can be targeted by metal thieves' ]6 B% q T2 Z; E
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure - m9 V2 k; @5 \$ n9 CCellular and radio reception may be negatively impacted
Metal roof ?? u3 {" _8 f6 W2 L
what's going to happen in a hail storm, will it be very loud ???% c: z' b4 P' C: Q. S$ d
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 B2 U9 v6 f1 r: lMetal roof ??, c8 v$ D0 O! n9 E
what's going to happen in a hail storm, will it be very loud ???9 l# K! q- N% a# s( X7 I
Summer raining seas ...
icing 发表于 2014-6-7 22:36 6 ]7 `% N! {% M$ S# aMetal roof ??# m/ L( `; a3 [% a8 A
what's going to happen in a hail storm, will it be very loud ??? 4 s( U; K8 m. [# N6 w3 a# {1 }Summer raining seas ...
- \$ u2 l7 x6 |
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.