Advantages- a0 P( w5 b% b5 O9 P7 ]* [2 [; H% p
Very durable in cold weather, ?; Y* m8 O# {* {
High percentage of recycled material and are 100% recyclable. l+ G: J: v7 X4 D/ U& q, K, h2 V
Disadvantages 5 X% _3 m3 N/ \; J% ~! lRusting (require maintenance to prevent corrosion) , D. v6 K! Y4 L1 I6 Q& E, _7 X' ACopper and lead roofs can be targeted by metal thieves. f/ O9 T2 r, z' B1 b' V4 `/ `
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure + j' k; f: ~% E$ mCellular and radio reception may be negatively impacted
Metal roof ??; j- j0 B l5 s5 }! ?/ i
what's going to happen in a hail storm, will it be very loud ??? . l9 Y( K$ S. x9 s1 p" x" ^) KSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - l) e& w* Y4 ?& h- KMetal roof ?? ' j9 T- k; A4 P$ _0 V' t$ ^what's going to happen in a hail storm, will it be very loud ???* H8 A, x7 ?9 c" ^% W
Summer raining seas ...
icing 发表于 2014-6-7 22:36 , ?4 M; @2 o8 t1 L, A2 \Metal roof ??' X- v, e- P) J
what's going to happen in a hail storm, will it be very loud ??? : g2 J b2 ^: `" [ PSummer 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.