Advantages4 t9 l8 M: P5 A$ v( g
Very durable in cold weather" v. d7 q. ^( K" m Z3 y* {
High percentage of recycled material and are 100% recyclable 4 {3 E* }5 ]% ADisadvantages" u7 Y; X3 U' u
Rusting (require maintenance to prevent corrosion) - ^7 s1 C+ i7 t! f4 g5 DCopper and lead roofs can be targeted by metal thieves3 P/ E) e( v) U9 c( n2 ^5 N+ s
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# r+ d; a8 {# b: x) ?+ R$ F/ }
Cellular and radio reception may be negatively impacted
Metal roof ?? r2 E% b. |0 M3 ~3 Y( Z8 e7 |what's going to happen in a hail storm, will it be very loud ???3 b* X5 s6 Z( Y# I0 w1 r
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 p% \; M& J: ? }Metal roof ??5 c) d# b+ I. S4 {& T2 J
what's going to happen in a hail storm, will it be very loud ???% S: T, t, d% b; @( B* g
Summer raining seas ...
icing 发表于 2014-6-7 22:36 6 P5 x8 i! T1 y0 N! j# Q
Metal roof ??5 B! s8 L$ ?5 T7 E# u* f6 r x
what's going to happen in a hail storm, will it be very loud ??? ! H. Z9 z. y0 C' D3 jSummer raining seas ...
6 r3 i1 r' K' ^8 Xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.