Advantages9 i5 m# z8 S) p' w
Very durable in cold weather 3 M0 t# C0 q7 p @6 o9 [: i$ T9 UHigh percentage of recycled material and are 100% recyclable3 H3 g7 X; |+ U& V5 G6 _' S+ t
Disadvantages 9 {7 Q! t+ h& H/ fRusting (require maintenance to prevent corrosion)" X( D, T( x* e; {& C( v+ X
Copper and lead roofs can be targeted by metal thieves ; w! u8 y* M; _7 N7 X4 w7 x( MHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure Z2 D0 r8 V+ ]: SCellular and radio reception may be negatively impacted
Metal roof ??) w5 J' _: F, {
what's going to happen in a hail storm, will it be very loud ??? " [, \. V+ Y. m$ B( ]; XSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; w* b, x, M1 l$ t' T3 G; S
Metal roof ??: ]" w9 K- l" h3 E
what's going to happen in a hail storm, will it be very loud ???4 C2 D7 x/ K! q
Summer raining seas ...
icing 发表于 2014-6-7 22:36 / F( c; X/ a& a B% d$ _# D% `
Metal roof ?? ( @0 a5 f9 U2 ~, j$ @& nwhat's going to happen in a hail storm, will it be very loud ??? ! s: r0 I3 L- k& ]/ o' U' OSummer raining seas ...
$ v( U; r0 Z. Nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.