Advantages* r, W! k+ Q3 }3 e( {
Very durable in cold weather 1 m6 O- ~7 f- F5 D+ ~High percentage of recycled material and are 100% recyclable2 t, q9 [: S4 U$ f" u+ h& F
Disadvantages * c( m2 n' `' V, fRusting (require maintenance to prevent corrosion)* ?+ Y4 q2 o& q; ^- W
Copper and lead roofs can be targeted by metal thieves) Y1 O! h' i3 Z- L3 {# f; f9 |
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure4 e: Q; a' ~- h m6 |0 D! z
Cellular and radio reception may be negatively impacted
Metal roof ?? + H2 b7 m8 E4 z7 uwhat's going to happen in a hail storm, will it be very loud ??? + i: X; k c3 ]1 h2 a; _Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 Y* H+ M0 K9 ~5 V# N
Metal roof ?? 7 E& A; ?$ j7 R d g. w" jwhat's going to happen in a hail storm, will it be very loud ??? 6 q* p& \5 {* b* O. ~: T" d# gSummer raining seas ...
icing 发表于 2014-6-7 22:36 " l" q/ P" |; _* v; W2 R2 W, PMetal roof ??7 L% L- Q1 i% N( f! M, C/ D
what's going to happen in a hail storm, will it be very loud ???' W& l9 M& l# o4 B5 A1 ^( r8 S
Summer raining seas ...
2 J# i2 k. g+ G( o5 I% r8 g3 W
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.