Advantages) K8 w! L0 N; M0 s0 n' u
Very durable in cold weather ( {" e/ t! X5 @2 GHigh percentage of recycled material and are 100% recyclable . _7 w4 X4 B) z! C, \Disadvantages ; t0 W6 ~. Q, }' F) ~( H' v* O9 sRusting (require maintenance to prevent corrosion)3 |* e8 n/ G s0 j7 J' f1 c! B
Copper and lead roofs can be targeted by metal thieves ! K, v) }4 `2 i0 l! VHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 [$ s! {( A2 z6 {( |8 ?0 m3 Z0 RCellular and radio reception may be negatively impacted
Metal roof ?? ) D5 |& ~( T0 \$ l. Bwhat's going to happen in a hail storm, will it be very loud ??? ) G6 @# I( A: G+ k' r6 A4 \4 ~Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 % I$ a/ r6 \+ k- t& n: U
Metal roof ??: U; ~( p3 I2 {* ^% M+ m/ w
what's going to happen in a hail storm, will it be very loud ??? : p( H" F% a Y+ J( C QSummer raining seas ...
icing 发表于 2014-6-7 22:36 7 a G0 }$ e3 }6 `# @2 g
Metal roof ??5 K; F/ m( [, K- w7 p5 B
what's going to happen in a hail storm, will it be very loud ???3 o2 P, S: V) N
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.