Advantages4 S' H9 U( n! V
Very durable in cold weather $ ]$ {8 l* D5 Q5 s8 i# c3 WHigh percentage of recycled material and are 100% recyclable6 B1 b. `# F+ W& @
Disadvantages+ D& L/ e# L2 x" H. A4 t
Rusting (require maintenance to prevent corrosion) - b! {: H' E7 S! y) b( FCopper and lead roofs can be targeted by metal thieves / g' Q% G6 B3 L! ~) xHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 n* N* W" D$ ^5 ICellular and radio reception may be negatively impacted
Metal roof ??: v$ y$ i: w8 ^
what's going to happen in a hail storm, will it be very loud ???4 u% h. V& y: U+ G, l0 t3 K
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 8 m0 |+ [. S% ~4 t
Metal roof ??6 C8 s. S( d: a" i9 B7 g
what's going to happen in a hail storm, will it be very loud ??? 0 v8 x& ]& ^5 }Summer raining seas ...
icing 发表于 2014-6-7 22:36 7 c* L/ ~1 [* Y' ^5 e/ F8 EMetal roof ??4 E' i/ |' a. a4 |
what's going to happen in a hail storm, will it be very loud ??? ! x! f' I/ J, U r( b% LSummer raining seas ...
! @5 j8 r% r4 S% g( uthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.