Advantages' i; X4 ?% q+ _2 `
Very durable in cold weather & [& R( r$ ]7 j, o; z# RHigh percentage of recycled material and are 100% recyclable , z9 ?0 z' b2 E, ]+ a7 BDisadvantages # P! R) C" B& n- m; y) _2 O2 dRusting (require maintenance to prevent corrosion) 4 r& I( q6 a- @Copper and lead roofs can be targeted by metal thieves9 X* N9 M" T" g7 W+ r' O% J' d
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : I& I3 W! j9 B) qCellular and radio reception may be negatively impacted
Metal roof ??9 P( v9 Q4 w6 \( |" M8 `
what's going to happen in a hail storm, will it be very loud ???% T! R2 `5 ~* O0 t- j8 b' X8 ]
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : d0 X8 _1 b( _7 YMetal roof ??1 H% X( H: J/ y. a( L$ K1 P
what's going to happen in a hail storm, will it be very loud ??? ! @; @# G: r& S: \! v1 |Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) J. Z: |- a/ ~" K
Metal roof ?? 3 t& n9 x, P# c Bwhat's going to happen in a hail storm, will it be very loud ???' _. p# y a* {' C
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.