Advantages ) |1 a) I+ M5 Q* G+ QVery durable in cold weather& k R( C- j: A2 r# `& n
High percentage of recycled material and are 100% recyclable9 q P$ J5 [6 J+ X F( w
Disadvantages - D$ X- }; a" c9 X. I2 E: |Rusting (require maintenance to prevent corrosion) " s" ^! L1 g$ p1 j% WCopper and lead roofs can be targeted by metal thieves8 Y1 y! g$ l* W3 p
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 5 A0 ^3 x& R' X }. QCellular and radio reception may be negatively impacted
Metal roof ??, A! m' c# S1 ^2 o1 j
what's going to happen in a hail storm, will it be very loud ???: ^) X3 `. @* Y3 f3 @! K% r
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ' k0 X, T# K* Z& u1 E" Q9 H; H. H
Metal roof ?? 6 Z9 Q: M' d/ \* m1 Awhat's going to happen in a hail storm, will it be very loud ???6 r0 b' O6 n1 x% u, o
Summer raining seas ...
& b' N- I+ S* ]8 ^0 kthat 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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