Advantages + {! G' R$ d( v6 x9 K' O) G4 ]Very durable in cold weather2 Q5 v! S* T% ?. t) y) ~/ h, H
High percentage of recycled material and are 100% recyclable& t+ C- }2 ?0 ]8 H* x( R
Disadvantages- y2 A, Q* e* G* L7 [( A
Rusting (require maintenance to prevent corrosion)7 v* Z* ?/ e1 k! Y
Copper and lead roofs can be targeted by metal thieves( _( b# ]( k* ^ m6 h% u2 d. j% L" ]
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure / I- Y9 ^: t" o5 J5 fCellular and radio reception may be negatively impacted
Metal roof ??$ c$ Y) z/ m5 G
what's going to happen in a hail storm, will it be very loud ??? : a$ t: ^+ w: s+ R u4 SSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ! a3 a- E5 s% _4 `% r. wMetal roof ?? ) V0 W4 l; S3 L8 z2 @! kwhat's going to happen in a hail storm, will it be very loud ??? % B/ E0 T {: D4 b+ }Summer raining seas ...
icing 发表于 2014-6-7 22:36 3 C* B6 E0 X( R7 t5 G2 O" y
Metal roof ??3 t, M$ ?! y5 H2 M# Z7 x) i0 K( y6 G
what's going to happen in a hail storm, will it be very loud ???1 J+ f; v6 ?/ U: c% o1 L
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.