Advantages . ^* b9 V% C! Y0 w- HVery durable in cold weather i$ e8 I' H5 Z ^High percentage of recycled material and are 100% recyclable 4 c5 `8 F7 s/ a( QDisadvantages 1 E& Q" K$ F- Q+ D' D/ F+ zRusting (require maintenance to prevent corrosion)* j8 L0 q {3 b) k
Copper and lead roofs can be targeted by metal thieves/ m! z: {/ P+ |" a' E( a) j
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure2 U+ }5 x, I, J7 q) i: @
Cellular and radio reception may be negatively impacted
Metal roof ?? + m1 X+ V! b3 N4 Qwhat's going to happen in a hail storm, will it be very loud ??? $ ?$ D3 g4 e( [, i$ I$ d( ZSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - H9 S1 s! s" e7 F6 PMetal roof ?? % S# a- N: }& g# J9 s# ]! D" swhat's going to happen in a hail storm, will it be very loud ???- N3 m. R( t5 V7 s
Summer raining seas ...
icing 发表于 2014-6-7 22:36 " _- q$ X1 q; W. T' ^* C+ OMetal roof ??; u) C& k5 t7 z* I
what's going to happen in a hail storm, will it be very loud ???7 M. }( H) B5 Q- ?
Summer raining seas ...
9 C1 N- k. |: C8 [, hthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.