Advantages 2 \2 h6 [) c* h5 O) }+ U8 tVery durable in cold weather: R( a2 H! q2 U; D" ~+ w
High percentage of recycled material and are 100% recyclable / {7 C2 h) T! ^9 t+ u* _! zDisadvantages( S2 P% I' F' X+ T; N+ o% j
Rusting (require maintenance to prevent corrosion) : d2 C0 b' N: I7 K* _ d4 gCopper and lead roofs can be targeted by metal thieves ( {4 I2 F& p( P4 s+ R% a" eHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure & B( V1 n& j* }* ]) [! l; p2 ^0 C# e& aCellular and radio reception may be negatively impacted
Metal roof ??, u( m# Z$ c0 j& R
what's going to happen in a hail storm, will it be very loud ??? # I5 e/ n6 A, ?3 Y" USummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; [( L6 \, k& h' Y5 \6 o
Metal roof ??1 A; ]6 t9 d' t9 k
what's going to happen in a hail storm, will it be very loud ??? 2 q8 n2 s4 } d( E: S& `( eSummer raining seas ...
icing 发表于 2014-6-7 22:36 ( V, w! S! y- w( l6 e) [. j, j
Metal roof ??, T, H3 a9 @& ^1 e- z- v
what's going to happen in a hail storm, will it be very loud ???' r. u _* ^7 x
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.