Advantages 3 w$ T2 d, W) j" l( AVery durable in cold weather 3 s; n9 u0 I8 O: \/ f$ v; F- tHigh percentage of recycled material and are 100% recyclable! M( w6 ^ d$ w' o% _
Disadvantages - |! o ?% @1 CRusting (require maintenance to prevent corrosion) ! P1 j- i3 H8 E) B! ACopper and lead roofs can be targeted by metal thieves# i" v3 @( X6 d) w+ t5 F i
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 9 G, s: o2 l9 g& j( iCellular and radio reception may be negatively impacted
Metal roof ?? 6 i6 ], @. ?1 D* Rwhat's going to happen in a hail storm, will it be very loud ???. V5 i! W( j# V/ t2 g U5 g
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , g6 V6 w8 i8 H! c- e' n% @
Metal roof ??. C9 ~- X; p0 p9 A
what's going to happen in a hail storm, will it be very loud ???; \9 Y: \- d! _2 K( I# v' O2 z
Summer raining seas ...
icing 发表于 2014-6-7 22:36 / B: @7 |1 F- R+ s6 S" J8 J, [Metal roof ??7 }; ~: [: Z" u
what's going to happen in a hail storm, will it be very loud ???+ w; L' x( M( c; v1 _. E2 @+ Q
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.