Advantages7 W% N1 F! `: Z& G# D+ c
Very durable in cold weather : X+ u7 p7 T* }High percentage of recycled material and are 100% recyclable" b- p( n0 }7 s) `# v
Disadvantages 4 p( ]; {* G. N/ D$ iRusting (require maintenance to prevent corrosion) d4 g/ p8 I1 S+ A( i
Copper and lead roofs can be targeted by metal thieves9 w& k1 M7 y5 M* ?+ @9 U: Y! r5 z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 7 w0 g7 @; V: m6 O( v, d( NCellular and radio reception may be negatively impacted
Metal roof ?? + V/ H% o/ L N" R5 k0 U5 v1 Ewhat's going to happen in a hail storm, will it be very loud ??? 6 _0 v/ o+ l( {$ kSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 u$ Q8 B: p$ L3 w% T
Metal roof ??2 o, g k& [' J- ]
what's going to happen in a hail storm, will it be very loud ???8 h% g9 ^; y' z
Summer raining seas ...
icing 发表于 2014-6-7 22:36 0 @4 p" c. C& c# b9 m% ~
Metal roof ??; q# A l7 O' _4 Q# r8 [; C5 t
what's going to happen in a hail storm, will it be very loud ???6 ]( H7 j5 b2 U5 u2 v
Summer raining seas ...
' _) V6 m* ~+ i x
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.