Advantages . ~: H& {2 v, k& n% O- WVery durable in cold weather $ n7 p# Q. e& ]0 JHigh percentage of recycled material and are 100% recyclable T( B' ^3 A1 Z/ Q, D4 {Disadvantages3 S9 G5 z4 m4 O/ w
Rusting (require maintenance to prevent corrosion) 3 h6 R* I: g/ ?$ u( O- c, T+ \Copper and lead roofs can be targeted by metal thieves) q. m: z0 D! H
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure) E8 j/ F5 ^$ L# H' H
Cellular and radio reception may be negatively impacted
Metal roof ?? # a) X( X s! |; P/ Y) V% }$ Xwhat's going to happen in a hail storm, will it be very loud ???+ y- S9 I# s' w' K8 \2 j
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * k( ]$ X' v R3 T$ F5 p
Metal roof ??- s( H7 Z) k7 e) x( O2 y
what's going to happen in a hail storm, will it be very loud ??? 5 e% q& \, V0 d JSummer raining seas ...
icing 发表于 2014-6-7 22:36 " Q* R6 v' ?+ e- oMetal roof ??5 ~( ?& ]7 v! h h/ u
what's going to happen in a hail storm, will it be very loud ??? 9 T0 d, l- p/ g. w* Q. GSummer raining seas ...
! @; `; D. ~! \that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.