Advantages - I9 H d! x5 V( |/ g4 ^Very durable in cold weather 3 F2 t o$ R8 C! y; B% X' T' W( gHigh percentage of recycled material and are 100% recyclable , F9 @0 [7 m5 ~: w: B$ LDisadvantages : h& {: C/ `% G4 U2 F- Y. |Rusting (require maintenance to prevent corrosion)/ }* J7 F8 v# b( v" O
Copper and lead roofs can be targeted by metal thieves% {, C2 _( [. s( z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure; L8 l* r( l6 H e
Cellular and radio reception may be negatively impacted
Metal roof ?? / _" o0 i3 \- v- ^) [$ wwhat's going to happen in a hail storm, will it be very loud ???) d6 ]# x6 g. O" k" `: j1 d
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 3 A5 R/ ]# M, P: n! B( d* S
Metal roof ??- I! p6 p! M& p( ?* q% ^
what's going to happen in a hail storm, will it be very loud ???% e& X6 P- p! `& l/ u# d
Summer raining seas ...
: r# d$ @# w. o& _0 z( c. m! B4 ]" J; dthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.