Advantages . \2 S& m# N6 l9 a1 \& \0 EVery durable in cold weather \+ n& Q( q q% n$ P
High percentage of recycled material and are 100% recyclable( j. |3 K, ^0 h4 m5 O1 |
Disadvantages; e/ \, E+ f- E& P8 b" c
Rusting (require maintenance to prevent corrosion) / u% d+ r1 ]! P6 ^Copper and lead roofs can be targeted by metal thieves % A* K2 M) b; T- B* T* W6 c+ x; w/ G4 hHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( ~7 Y" z( ~: Q _) F: A: x
Cellular and radio reception may be negatively impacted
Metal roof ??( V8 Y1 L7 Z1 `5 R
what's going to happen in a hail storm, will it be very loud ???% M7 B: U# ~8 e$ r: j
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : P# H: h; [% u9 M
Metal roof ??; u8 s& U( V" \1 ]* i3 C6 X0 W
what's going to happen in a hail storm, will it be very loud ??? ) p9 w. y* O, c0 W" q+ H7 MSummer raining seas ...