Advantages$ T% ^2 |3 h# y: J% r) g/ V
Very durable in cold weather- N1 x( B; _! G4 d P1 J9 a
High percentage of recycled material and are 100% recyclable$ I1 i' E; v$ s$ g( d4 C. w6 ~
Disadvantages / M7 H+ ]- V! [+ y5 r% I! ~9 g! cRusting (require maintenance to prevent corrosion) " w% J% s6 D" U# |Copper and lead roofs can be targeted by metal thieves3 l/ K" V% V& F9 ?
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure # J2 j+ m* g2 y' R8 C8 F$ a7 T6 TCellular and radio reception may be negatively impacted
Metal roof ?? 9 b5 N1 r! A1 q/ L3 P" r4 @1 u! Dwhat's going to happen in a hail storm, will it be very loud ??? , Y% i; Y4 y" m$ G; r4 xSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ( k* z& E' z2 f8 u2 f6 j3 z1 _7 X! {
Metal roof ?? ' t! T2 L$ V6 K2 I7 F7 B+ R) k8 ?3 \what's going to happen in a hail storm, will it be very loud ??? ; ^9 L+ ?- Q5 W lSummer raining seas ...
icing 发表于 2014-6-7 22:36 2 \8 |& X- [) `$ l2 \Metal roof ??! F* B( `" H* ]& \# i
what's going to happen in a hail storm, will it be very loud ???0 Q! ~# D7 j# w
Summer raining seas ...
2 q! j0 G9 S( f( C5 |that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.