Advantages% w- h9 V0 U7 s' R( g! R2 p
Very durable in cold weather7 m! s- H# g: \) R' J8 X
High percentage of recycled material and are 100% recyclable8 t0 {) ^3 X* Y) t( }5 x5 g' c
Disadvantages/ \5 N, r8 y% a3 b$ q
Rusting (require maintenance to prevent corrosion). j1 t* E9 }' y
Copper and lead roofs can be targeted by metal thieves3 S. e& D7 b# o; T2 F
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# B2 f5 D# T; o
Cellular and radio reception may be negatively impacted
Metal roof ??& \% n( p" J, _! h/ f
what's going to happen in a hail storm, will it be very loud ???8 p% c; A9 d! G" t2 Z3 H
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 3 B. Y. _ Z& N" {, f7 C" T+ s
Metal roof ?? 3 f& _9 o' d3 [ _) swhat's going to happen in a hail storm, will it be very loud ???5 N6 X% P% M2 T5 }# j5 A( w% W
Summer raining seas ...
4 d2 [/ Z/ \1 \( o" q9 i2 vthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.