Advantages / Y, j' n) u% Z. `Very durable in cold weather3 T2 c b5 ~8 [7 s7 q; s1 \
High percentage of recycled material and are 100% recyclable 7 i* _, m' |) M9 `; U+ z" fDisadvantages: A @8 h( u) i% ~9 M; y( h3 T4 K$ q! K
Rusting (require maintenance to prevent corrosion) " b- p. u$ x9 CCopper and lead roofs can be targeted by metal thieves2 |' X* F8 w/ x( k
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure1 I8 i& [4 Q9 S, t& ]/ C
Cellular and radio reception may be negatively impacted
Metal roof ??" p# z& \+ \3 r& u5 ~
what's going to happen in a hail storm, will it be very loud ???, v' M2 b0 n8 g W1 ^+ ]
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 C* H3 W, l( _# M
Metal roof ??) \0 d3 E5 |2 x/ }! {& b" h+ t
what's going to happen in a hail storm, will it be very loud ??? 2 f0 r m# b# N0 n: h+ QSummer raining seas ...
icing 发表于 2014-6-7 22:36 4 h4 ^" r* }6 _) q+ U& HMetal roof ??8 N; K. q3 l c- ?! o$ Q* w
what's going to happen in a hail storm, will it be very loud ??? : L) o9 n" i. z6 l/ P. O/ eSummer raining seas ...
; u# w8 y. e$ [: f! t; D4 Nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.