Advantages/ j& r! k& P5 g6 R( j" ~
Very durable in cold weather5 X0 X1 {. S8 L9 A: H
High percentage of recycled material and are 100% recyclable8 b. G/ Y: X# j9 C1 y
Disadvantages , \3 C% A+ B' u8 b% VRusting (require maintenance to prevent corrosion)4 T, u7 U; t( a& I
Copper and lead roofs can be targeted by metal thieves" _4 c' z( p: v' j. Z5 r! a! z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure; ~* R5 q. e9 W, t4 T+ }* p
Cellular and radio reception may be negatively impacted
Metal roof ?? 9 N" Q' @2 `3 }what's going to happen in a hail storm, will it be very loud ???5 c/ N6 G! }" }, o. |
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 4 r% e( d4 ^; E" B( q3 h) x7 uMetal roof ?? ; f1 i0 x: |! p, iwhat's going to happen in a hail storm, will it be very loud ???2 E# s( N d, ]% L# X
Summer raining seas ...
/ s7 y; [' X* a! O& Ithat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.