Advantages " V( {6 S4 H& S [1 VVery durable in cold weather* `& r7 R2 [" o" x
High percentage of recycled material and are 100% recyclable . a" x2 v/ j4 E" kDisadvantages ) m; c, K% ?: E' |0 I1 \Rusting (require maintenance to prevent corrosion)" y6 N* g. P8 X5 M' {2 j
Copper and lead roofs can be targeted by metal thieves 3 Z4 Z1 x& i f* R, _High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure& q1 Q* P9 n! H6 U
Cellular and radio reception may be negatively impacted
Metal roof ??7 ^+ M9 U. p& s' B4 w% J3 f0 `
what's going to happen in a hail storm, will it be very loud ???6 `0 b2 J: r2 f5 z- P
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 & |* F9 U/ n/ X- `( aMetal roof ??+ T w6 a3 U+ T
what's going to happen in a hail storm, will it be very loud ???) e9 i: A4 M9 C$ P3 Z- ?
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.