Advantages ` R5 D/ B6 E2 f7 O* E# _Very durable in cold weather 9 w5 F* x+ `3 \% xHigh percentage of recycled material and are 100% recyclable7 T! R5 X* r" j6 [% W3 j5 x8 P( _
Disadvantages. ?" {$ r! l' w0 @8 H
Rusting (require maintenance to prevent corrosion) ~& y( c# g0 `# K3 R9 K p
Copper and lead roofs can be targeted by metal thieves / p6 M: w* b. H1 t! O0 n' G+ i, x1 G+ aHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure2 B' t; W* G9 c# n" M
Cellular and radio reception may be negatively impacted
Metal roof ??% O0 g: } M$ g8 `- G& M+ S( g; _
what's going to happen in a hail storm, will it be very loud ???8 t" W5 `: i( M. v
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 j- Q1 X0 B4 gMetal roof ??) i |$ t, m/ n
what's going to happen in a hail storm, will it be very loud ???( q* i5 ~3 y* p
Summer raining seas ...
icing 发表于 2014-6-7 22:36 4 ]3 r. C+ Z5 R! ]; oMetal roof ?? % V/ V: O# [; ]what's going to happen in a hail storm, will it be very loud ???0 z2 x$ z) } a% D& ]1 w9 U2 S( b
Summer raining seas ...
5 T% j0 x6 T* fthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.