Advantages 7 K3 i% r( `! `4 f. \4 fVery durable in cold weather $ A) j& p4 W1 |" O0 R+ ~% hHigh percentage of recycled material and are 100% recyclable 4 [/ L) s/ x6 r( oDisadvantages 2 X, Z: O6 f1 x! ?- A) X; J* Q fRusting (require maintenance to prevent corrosion)3 i: B5 E u5 _3 ]; K
Copper and lead roofs can be targeted by metal thieves+ o$ e5 n4 @5 n- j1 T7 e0 F
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure0 ?: Y2 t/ E& T
Cellular and radio reception may be negatively impacted
Metal roof ??5 ^3 q! `( B7 o7 S' {; h7 }: F" G
what's going to happen in a hail storm, will it be very loud ???+ W" O* l; @! p' \% ]
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 u+ |* l; k! [9 g2 L1 v+ Q5 hMetal roof ??7 M: `% t9 l' I8 x. l4 R
what's going to happen in a hail storm, will it be very loud ???6 C5 z! x4 y5 j( M ~- m
Summer raining seas ...
icing 发表于 2014-6-7 22:36 / e! Y- |- ]4 z- S
Metal roof ??. u& X$ c6 a* _* F3 @
what's going to happen in a hail storm, will it be very loud ??? ! X) }2 ^0 J' qSummer raining seas ...
: J; N E/ j3 xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.