Advantages 1 ^3 n, N) w( r$ y! KVery durable in cold weather & m* t; M u6 \$ j7 S# SHigh percentage of recycled material and are 100% recyclable' N/ w0 p$ V- c% N' F7 G% r
Disadvantages ; {; G( m% H* U( A6 S2 vRusting (require maintenance to prevent corrosion)& q K4 h$ z) Y; m0 ]
Copper and lead roofs can be targeted by metal thieves : C2 \* W) e) B) |* \High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 G) l; u8 g" t# mCellular and radio reception may be negatively impacted
Metal roof ??: B& Y6 K& L! Q* t
what's going to happen in a hail storm, will it be very loud ???. a& B2 R. N) s$ B/ K9 R1 t
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * `9 a" X7 G( l6 [Metal roof ?? 7 |% A O5 |& b- b' n5 @what's going to happen in a hail storm, will it be very loud ???7 e1 v3 i# S5 o
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ; D& M8 z+ n' o# ?% t! P1 M
Metal roof ??1 [" s+ r7 ]! h0 f3 C
what's going to happen in a hail storm, will it be very loud ??? 9 a+ t k8 y( G7 uSummer 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.