Advantages- W. t6 g9 a" q, s9 M- X# S4 Q: K
Very durable in cold weather7 \0 i2 b+ j% K _/ Z, s
High percentage of recycled material and are 100% recyclable & C: B, ]8 D+ @3 z4 r" a3 g1 lDisadvantages( w) N! |/ ?$ Y7 U) o
Rusting (require maintenance to prevent corrosion) # D& ^: `5 Y) x2 k/ f+ G; XCopper and lead roofs can be targeted by metal thieves! n$ B: u7 p% j% [
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 6 m: W5 o2 o7 I; e0 fCellular and radio reception may be negatively impacted
Metal roof ??7 n% T+ r' r# B# d0 A ?& n
what's going to happen in a hail storm, will it be very loud ??? % v; [8 l! L6 C' C+ x# U" P* dSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ X$ }0 ^3 c* V" y/ NMetal roof ?? ; ?1 G) ~0 L6 ^. {# xwhat's going to happen in a hail storm, will it be very loud ???+ l) B) [- L) u4 R% H
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) E% z0 I! w! s JMetal roof ?? ( S5 {# M' A8 jwhat's going to happen in a hail storm, will it be very loud ??? " x8 j5 v9 h) |0 C8 a& T8 fSummer 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.