Advantages# T, N5 F) i4 X1 J- M5 t
Very durable in cold weather 4 U8 m( _( L a6 S$ wHigh percentage of recycled material and are 100% recyclable; D0 l* k0 G, ]- R" r3 [
Disadvantages) _( w/ L3 m) H7 u d4 j# ^
Rusting (require maintenance to prevent corrosion) # m! Z4 a% ?4 UCopper and lead roofs can be targeted by metal thieves" ~2 d) R6 Y% Z; ^4 u( v
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure $ Z8 k- o! ]% x8 V8 E5 T6 XCellular and radio reception may be negatively impacted
Metal roof ??) V- E7 C8 K/ d
what's going to happen in a hail storm, will it be very loud ???" {' p4 n$ ^' t) b
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 " X- c# V2 Z* t) X- x# h
Metal roof ?? , P# q; B) m7 a1 `/ E, ?- }what's going to happen in a hail storm, will it be very loud ??? * O! d4 p p/ [* a. w% p* @Summer raining seas ...
icing 发表于 2014-6-7 22:36 , n: T, g7 ?5 F; \, t/ l, d. S
Metal roof ?? 0 G: \# w8 X+ ]* }what's going to happen in a hail storm, will it be very loud ??? 0 S) X% E! S: d$ y X2 ~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.