Advantages 0 `+ ~/ L$ E" d* t3 S- YVery durable in cold weather # c! V1 A- |' S7 PHigh percentage of recycled material and are 100% recyclable7 j* [3 d) w( ]/ U+ t3 x
Disadvantages9 s5 r {% R. x" `% X. \- P
Rusting (require maintenance to prevent corrosion); c N; R( Z" B) }3 K# @, D
Copper and lead roofs can be targeted by metal thieves $ ~8 w- \4 _3 H& wHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure . z+ C% ]: h$ J, jCellular and radio reception may be negatively impacted
Metal roof ?? s" e F9 B: G$ m- e- \' u/ `& A h
what's going to happen in a hail storm, will it be very loud ??? ) i$ J% x) B& L# ?Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * H2 p5 m. h9 J9 s
Metal roof ?? T' E5 {. J/ [) i$ S& m
what's going to happen in a hail storm, will it be very loud ??? ) V, q; w- B$ S6 Q! O4 GSummer raining seas ...
icing 发表于 2014-6-7 22:36 $ |; M" f/ G" Q, aMetal roof ?? 6 K: y+ s1 G1 ?what's going to happen in a hail storm, will it be very loud ??? ' S( G( N- c* V9 D( E' hSummer raining seas ...
. p* v8 }9 a7 [ ^$ g. M
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.