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Very durable in cold weather $ g! ]4 R1 O2 }2 HHigh percentage of recycled material and are 100% recyclable( ^+ ^# x- ^0 f5 ^# r! j
Disadvantages 3 f8 I4 ] e7 O* `' t N# U* k# ^Rusting (require maintenance to prevent corrosion); ]5 ^' h9 ~3 ~. k- C0 A6 P g1 {
Copper and lead roofs can be targeted by metal thieves ]% E/ \/ R6 S3 v
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure8 c: I2 x5 d* n& p4 u! d$ E8 V1 j" v
Cellular and radio reception may be negatively impacted
Metal roof ?? ! w, n$ s) u) J5 ]. @- K* \what's going to happen in a hail storm, will it be very loud ??? # O9 g4 T, G0 Z5 w0 E; _% nSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 % b! Y' }* l# B% _# Q8 l6 K
Metal roof ??# F" m: `' @: v7 J! q. _3 a# R
what's going to happen in a hail storm, will it be very loud ???5 x% k$ r" I) u
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 w( O+ S2 O9 B- l2 P* UMetal roof ?? 7 l- L( C5 F4 Q4 O. ]what's going to happen in a hail storm, will it be very loud ??? & R% V. f: n% E- `! f g( \0 X+ lSummer 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.