Advantages & ] ]" l$ D5 [+ sVery durable in cold weather2 V+ ^. v2 m, R% }* E5 h3 }& G% ^
High percentage of recycled material and are 100% recyclable / Y; I& {& G4 w4 k6 ~Disadvantages 2 r$ l) E3 ~' [! I, C$ n" ~( cRusting (require maintenance to prevent corrosion) * }* V! q' @& d. qCopper and lead roofs can be targeted by metal thieves $ R# p) D) v6 Y. X: d, E# o: \+ {High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure4 Q- Z7 ^, O3 o Z* d1 O% n7 }
Cellular and radio reception may be negatively impacted
Metal roof ??4 C# t# b& z& P; x+ S5 }$ T
what's going to happen in a hail storm, will it be very loud ???8 X" n( |, e# P ^0 d7 O
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 B0 c& x( t, S. V6 e5 ~Metal roof ?? w2 G- d8 W5 K H$ R, lwhat's going to happen in a hail storm, will it be very loud ???. P) M( l4 H8 i) A3 {( D) y
Summer raining seas ...
icing 发表于 2014-6-7 22:36 * u3 G$ L6 V2 {
Metal roof ?? 3 w* I7 n" U. j: H7 k8 Wwhat's going to happen in a hail storm, will it be very loud ???9 n1 c: [# r0 l, }: f0 }% ~1 l# q& A
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.