Advantages 5 `% }7 Q: V8 L7 EVery durable in cold weather " Y* v( ]3 l; i4 `8 w( xHigh percentage of recycled material and are 100% recyclable5 _7 F9 @* v+ s9 J
Disadvantages : u, h* O; G* U5 nRusting (require maintenance to prevent corrosion)* h! R6 B4 u1 j
Copper and lead roofs can be targeted by metal thieves ' J: ~4 S0 {- e6 a$ d* X2 rHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 p& i. H' E# r z! v* P) OCellular and radio reception may be negatively impacted
Metal roof ?? ( W' v% P- G, b% Q. xwhat's going to happen in a hail storm, will it be very loud ??? 0 y3 [+ [: ^0 J9 [5 pSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 1 U ^* {) f2 `% ?# d
Metal roof ??, O. d$ u2 v K8 c
what's going to happen in a hail storm, will it be very loud ??? o+ P2 r, c- j- C; e( Y
Summer raining seas ...
2 _! E, ?2 I5 N7 c8 C" u: bthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.