Advantages# F0 V1 Y- Y3 B. J% q- y7 N
Very durable in cold weather , [* f) _2 B$ V5 \) x6 ?High percentage of recycled material and are 100% recyclable 8 b+ R% M' B: x% x4 CDisadvantages4 t- Z, P6 M+ E2 @# q$ o
Rusting (require maintenance to prevent corrosion) % G* G/ F% ]+ |" |Copper and lead roofs can be targeted by metal thieves: M6 d3 d O5 J% H0 y7 `
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure$ T7 ?9 K* r$ y: z' p
Cellular and radio reception may be negatively impacted
Metal roof ?? , k( ?/ ]# |- d" c: l6 n: F3 pwhat's going to happen in a hail storm, will it be very loud ??? $ l/ ^4 L; W7 O6 D6 X. W3 z) B9 j7 X5 WSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 a7 Q" V. b- \4 l) C uMetal roof ?? ( Y( q I1 y2 T) {what's going to happen in a hail storm, will it be very loud ???" y+ ^5 t! f6 l$ `5 a
Summer raining seas ...
icing 发表于 2014-6-7 22:36 9 T3 L/ D% ^. Z! s7 I% q- p: G
Metal roof ??) S" k; m. @8 P! k
what's going to happen in a hail storm, will it be very loud ???8 X% x8 j6 D9 H5 ~, g
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.