Advantages ) w0 b* b# Q+ k, V+ f( XVery durable in cold weather * i- |' K# T& E/ w: wHigh percentage of recycled material and are 100% recyclable $ j, T$ ?9 ]) t3 \- ]( S+ }$ NDisadvantages 7 T8 N5 w' y! t# U, ~* VRusting (require maintenance to prevent corrosion) & m2 m; r6 ]$ O8 MCopper and lead roofs can be targeted by metal thieves# v& V) b) S+ c' {
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" k' [* ?/ d7 k6 K; S* H
Cellular and radio reception may be negatively impacted
Metal roof ?? % a8 u/ ?( w: g6 I6 A$ Z: G: m( D+ Bwhat's going to happen in a hail storm, will it be very loud ???: { o: e' Y0 B8 w5 l) |
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 + R) D3 m* W9 Y) LMetal roof ??3 z U) J# X8 P) b: Z; ?4 `7 w3 `' n
what's going to happen in a hail storm, will it be very loud ???; J/ Q& U! w: l6 {" W
Summer raining seas ...
icing 发表于 2014-6-7 22:36 7 X0 k1 T& T$ t6 {* F
Metal roof ??* M* j4 a) S9 o3 j9 A! m0 D9 I
what's going to happen in a hail storm, will it be very loud ???0 n: n' x! B2 l! u0 {6 X
Summer raining seas ...
0 L8 a, n; [" s/ Q. O3 E4 K8 r, H8 i
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.