Advantages( j! Z" y; K w
Very durable in cold weather % w9 ]9 Y, X+ l6 f5 lHigh percentage of recycled material and are 100% recyclable0 z9 {9 S& g/ d2 W
Disadvantages % V Z* t& I$ u! Z; F' a/ NRusting (require maintenance to prevent corrosion)- |0 W' \0 F3 x/ f
Copper and lead roofs can be targeted by metal thieves + T$ V" n& A+ p# D) q6 Y5 {$ M! l3 w, IHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# z6 C" J. n& g; q k+ A: u2 ~
Cellular and radio reception may be negatively impacted
Metal roof ?? 9 O1 D( p1 R1 l: l$ Z* u1 B. Uwhat's going to happen in a hail storm, will it be very loud ???* P9 S" Z0 }8 F7 u2 L
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 % S* t* B, }' Y. [& g% C# J
Metal roof ?? - ]5 A) \( x1 O- ^3 G# Owhat's going to happen in a hail storm, will it be very loud ??? 5 K; t3 f v! oSummer raining seas ...
icing 发表于 2014-6-7 22:36 3 c. w' Z& i0 R0 w; F+ Y' ?7 U
Metal roof ??* c* v) R0 O$ J3 z0 j
what's going to happen in a hail storm, will it be very loud ??? 6 Q6 k- P+ d$ rSummer raining seas ...
* l( I, w) d& ~that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.