Advantages ( r# ?. ?4 z1 y6 L* _Very durable in cold weather 2 `/ R# A; e- p3 J5 `/ }4 wHigh percentage of recycled material and are 100% recyclable : C, e# o- L3 L: Y) Z% ]Disadvantages1 R. l4 E% j3 {8 N O! S' x
Rusting (require maintenance to prevent corrosion)4 E2 A9 v, I2 ?* K6 o, }) t# v: n
Copper and lead roofs can be targeted by metal thieves0 Q$ a0 x0 S+ J& z6 d$ G
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( n9 p! G8 m0 C) t
Cellular and radio reception may be negatively impacted
Metal roof ?? : G) j* v# H# Q) ~: \! ` lwhat's going to happen in a hail storm, will it be very loud ???! q8 n7 n3 a- U- `9 e8 n+ L( i
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ! F( h, Z6 e* B$ r
Metal roof ??, i& M% d# t; X& A' u1 v9 T
what's going to happen in a hail storm, will it be very loud ??? , e5 r; ~2 n) ?6 ]4 nSummer 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.