Advantages % D& _* ]7 W6 p6 gVery durable in cold weather 3 i: D4 Y" q4 ~! U7 }9 O; nHigh percentage of recycled material and are 100% recyclable 7 O" M+ ^% S0 K1 Y- m; q4 fDisadvantages 2 @; A; a8 o3 _! s& S! rRusting (require maintenance to prevent corrosion)1 g+ N4 z; B$ x8 z, A( R9 U
Copper and lead roofs can be targeted by metal thieves8 H/ E- U$ J* D4 `
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure0 F c' e% o+ I" d2 K/ x: J$ Q* u0 l
Cellular and radio reception may be negatively impacted
Metal roof ??4 D2 [" M ~' i; P- U
what's going to happen in a hail storm, will it be very loud ???% k# M" y) u9 k/ W8 o! m
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 # r- }# D4 Z e8 l" g, m& Y
Metal roof ?? 2 ^. O" {) q9 ewhat's going to happen in a hail storm, will it be very loud ??? ) L1 R2 X- g. z: `+ U% P+ M4 pSummer raining seas ...
) Z7 s& i+ s# k! v, k: q1 x0 A6 lthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.
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发表于 2014-6-6 12:16
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