Advantages % d" s$ r; k0 @; YVery durable in cold weather 2 ^7 t; J/ M z% I/ |3 eHigh percentage of recycled material and are 100% recyclable % S; B4 u- F8 y7 ZDisadvantages 6 G. q7 x0 K" A5 \4 i! nRusting (require maintenance to prevent corrosion) ' y1 U. W& o1 n. z5 d/ DCopper and lead roofs can be targeted by metal thieves $ a# g: N) q* WHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure & A5 q$ f6 }9 S5 tCellular and radio reception may be negatively impacted
Metal roof ??9 n. Y& b1 E; w/ t V0 H) n
what's going to happen in a hail storm, will it be very loud ??? $ q0 h z6 Z9 mSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 n, S+ R- d/ G. t7 s
Metal roof ?? : }$ E H( K mwhat's going to happen in a hail storm, will it be very loud ??? * C; Y7 W @2 M& M8 v( QSummer raining seas ...
icing 发表于 2014-6-7 22:36 9 J6 Z$ U4 a* e( OMetal roof ??2 B7 K: P8 y8 U4 I6 v, b" g
what's going to happen in a hail storm, will it be very loud ??? 7 s, M1 s' Z! U# i. [( M; q4 l8 @ ESummer raining seas ...
; A% u9 s. \+ R4 X2 Uthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.