Advantages # M" L5 ^1 v5 Y: @ N9 ]( W6 BVery durable in cold weather# {4 ?2 u+ w8 q: ` ]
High percentage of recycled material and are 100% recyclable ; Q8 }$ F6 k6 [8 H+ Y& ~6 o: qDisadvantages ; u9 O- \$ ]4 ~' y2 SRusting (require maintenance to prevent corrosion)( h( A9 a3 m0 D% M* d5 |
Copper and lead roofs can be targeted by metal thieves' E# O" a& k% v/ v7 x; z/ f+ R
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( Q5 N8 L% |) W9 R7 n; c, V
Cellular and radio reception may be negatively impacted
Metal roof ??4 Q- A# M' b8 k9 U) S8 F
what's going to happen in a hail storm, will it be very loud ???. {3 ^! o8 ~" e* M% w" J
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 $ @* |& m4 Y% u. d. _: p* ~
Metal roof ?? 9 b' g9 p6 ?/ U; u, Y Pwhat's going to happen in a hail storm, will it be very loud ??? , u# w$ Q; {: wSummer 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.