Advantages * L( M! }% e( V9 p& ~2 _1 v: IVery durable in cold weather1 L/ V. G& o( l2 Y4 r
High percentage of recycled material and are 100% recyclable- _, n m3 z4 i5 l ]
Disadvantages) m/ c3 t& f4 h Y( _* h3 n
Rusting (require maintenance to prevent corrosion) . n' c0 Z6 v u. i Q" F' ~Copper and lead roofs can be targeted by metal thieves+ }3 S7 \( p8 P" n/ o% N
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure' r3 V0 ]8 W3 f7 \9 k
Cellular and radio reception may be negatively impacted
Metal roof ??) T L: c% Z# W- e1 m; J V
what's going to happen in a hail storm, will it be very loud ??? ! a" @1 |: B7 e" ]1 Q4 |5 i: R0 wSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) H+ o. N+ I) l1 V
Metal roof ?? 9 {( h9 m5 ^" g# r* u5 Pwhat's going to happen in a hail storm, will it be very loud ???; d( y/ O& N4 q: t K% Q
Summer raining seas ...
icing 发表于 2014-6-7 22:36 0 Q' ?" h+ r3 y( L& \! `& R. tMetal roof ??3 \* o6 V" y( A# ~5 @. C% Y
what's going to happen in a hail storm, will it be very loud ???+ ~ _, q& N# N3 n
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.