Advantages' ]8 p# F& @. G; v$ n
Very durable in cold weather& b. d- u, b% j
High percentage of recycled material and are 100% recyclable 2 d% v P5 F- j( ~! ZDisadvantages & ?& B; K3 E' j1 [$ Y3 XRusting (require maintenance to prevent corrosion)/ @3 h) k9 t3 K$ L
Copper and lead roofs can be targeted by metal thieves 6 M# W9 T1 m' P5 Y' x2 ]: l+ rHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure " t; E+ D0 h* E- Y y) f' dCellular and radio reception may be negatively impacted
Metal roof ??, d: x& |! |2 l- ]
what's going to happen in a hail storm, will it be very loud ??? 6 X0 b6 Q) p) i* n3 a9 ]( DSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 8 b7 e) {1 k% s8 GMetal roof ?? + T {- o l, C: O9 Bwhat's going to happen in a hail storm, will it be very loud ??? 6 H6 ^1 i+ Q* S+ GSummer raining seas ...
. J6 L6 W( Q2 D0 l2 W* R1 Athat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.