Advantages ; B* J; e1 U3 tVery durable in cold weather & e; r5 d6 ?) h2 f& d# mHigh percentage of recycled material and are 100% recyclable! f6 K! A. N9 ^7 Y, E4 V) K) a
Disadvantages & L& b# f$ z7 u" n$ W! }Rusting (require maintenance to prevent corrosion)$ D0 {- g0 v% C$ Q' a6 N
Copper and lead roofs can be targeted by metal thieves) i1 V9 B2 N- g* y% n n& d% j( E
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : K$ k" v( Z9 G D6 L. i, }Cellular and radio reception may be negatively impacted
Metal roof ??* o2 r4 \' K% S: N: q+ J ]" A
what's going to happen in a hail storm, will it be very loud ??? + Z1 U. j ?, j7 NSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & N- w# l6 ]# l- x
Metal roof ??. U0 ~ u- a: ?( ^; _2 ?' y
what's going to happen in a hail storm, will it be very loud ??? 8 H& Z' K$ q PSummer raining seas ...
icing 发表于 2014-6-7 22:36 8 d/ A+ P* ]- K9 X& ^( Z- j8 V. A: O
Metal roof ?? % _/ u' g* A" A4 {! `what's going to happen in a hail storm, will it be very loud ??? - J' I- a7 x: z* V- T+ 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.