Advantages 1 f+ g1 Y. o& w$ IVery durable in cold weather7 X/ b) m. A+ G0 q
High percentage of recycled material and are 100% recyclable" D' c6 P2 I: @. a5 K/ V7 I
Disadvantages3 e* u( [: i6 }9 S6 @0 f+ ]
Rusting (require maintenance to prevent corrosion) 5 n0 S; @; K0 h; oCopper and lead roofs can be targeted by metal thieves. H) D, e: |9 B. Q" ]! i
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure u& Q1 F" ~5 lCellular and radio reception may be negatively impacted
Metal roof ??+ q1 C+ f( K; i% Q8 c2 `. R
what's going to happen in a hail storm, will it be very loud ???- X+ Z3 M7 M7 V: S: a2 v5 d
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 : v+ {7 {4 G- v3 A# y0 x$ ^% T6 yMetal roof ?? 7 ?/ h. o, Y9 ?. o8 Y7 t0 Qwhat's going to happen in a hail storm, will it be very loud ??? % T* x6 L0 D uSummer raining seas ...
9 y' G: _1 B9 N% e7 Cthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.