Advantages e0 i. L% {0 v1 p4 e, l
Very durable in cold weather- Y% c' b9 h% D: E! S
High percentage of recycled material and are 100% recyclable " t$ Z! {5 y# u1 O cDisadvantages ! F( d3 s' A+ l& \Rusting (require maintenance to prevent corrosion)6 `0 `7 t6 b6 _6 Q) {
Copper and lead roofs can be targeted by metal thieves' G( o/ C0 O _
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ e g/ N1 J" [& c/ C0 h
Cellular and radio reception may be negatively impacted
Metal roof ?? 0 v! |/ X* A/ W0 l2 |what's going to happen in a hail storm, will it be very loud ???! b6 p _: V. d# b ~
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 8 [5 B9 E9 g8 n [8 g9 k
Metal roof ?? 6 g9 `( P7 F4 _, Owhat's going to happen in a hail storm, will it be very loud ???5 f% C" X: ?6 Q& ~
Summer raining seas ...
icing 发表于 2014-6-7 22:36 4 Y# X; j7 |: X f
Metal roof ?? & L# x) l6 K4 W1 ]- Bwhat's going to happen in a hail storm, will it be very loud ???! i }( L) Q% j
Summer raining seas ...
0 X& j# P/ {* L& |
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.