Advantages: c8 x& d$ _; ~& ^2 e: T
Very durable in cold weather & ~6 B# M u! v/ x8 bHigh percentage of recycled material and are 100% recyclable* c1 l F. R2 r+ ?/ \
Disadvantages; O: v( a7 N& |# r. I5 X
Rusting (require maintenance to prevent corrosion)/ A2 p! l' h; @* r
Copper and lead roofs can be targeted by metal thieves ) N1 o% Z) ~+ k- [0 rHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure5 G- r) B4 A% C, z
Cellular and radio reception may be negatively impacted
Metal roof ??1 H7 G3 F) P3 k
what's going to happen in a hail storm, will it be very loud ???0 P- i3 y! F6 {) t4 j
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 7 k6 P+ h, @- Z+ D4 v7 o6 x& i
Metal roof ??& H K \) w8 O. A
what's going to happen in a hail storm, will it be very loud ??? # D$ N/ T# T9 i4 m- i9 `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.