Advantages$ u0 q" }* h* w, G6 T) o
Very durable in cold weather 3 {2 O/ `* g5 q$ ]2 n$ l+ jHigh percentage of recycled material and are 100% recyclable " }( g- ^1 Q* s3 R! Z6 \Disadvantages ! ^4 L# u) W6 [, i% sRusting (require maintenance to prevent corrosion) 3 d# j# C1 v/ H3 p7 \* i2 X# jCopper and lead roofs can be targeted by metal thieves" v. Y3 e) J4 p
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure6 p& Y! b' d5 ]) Z9 v: P
Cellular and radio reception may be negatively impacted
Metal roof ??7 ?7 E3 ~( B4 Y- @6 a
what's going to happen in a hail storm, will it be very loud ???+ A# V0 \0 ^+ I8 F0 C* d
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 a+ J; q$ ?* I( G# L& _# _5 x7 PMetal roof ?? H" A, D$ h/ u4 i, K' z: u, w
what's going to happen in a hail storm, will it be very loud ??? 7 E" k2 j$ Q6 K( g( [, i/ [1 pSummer raining seas ...
icing 发表于 2014-6-7 22:36 + a A" {) I' B/ x8 hMetal roof ??' O6 E/ d& X! N6 S
what's going to happen in a hail storm, will it be very loud ???% h% o) W+ O3 s, t
Summer raining seas ...
# c; x) C, b: Z! B6 [$ v2 athat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.
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鲜花(
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发表于 2014-6-6 12:16
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