Advantages# b$ `$ {# E3 [8 ~. I' o8 O( k( t
Very durable in cold weather 7 S7 @6 H1 k! x/ E; ^) C9 |High percentage of recycled material and are 100% recyclable, B: l/ x+ Z$ C6 }/ u |/ {# V9 N
Disadvantages O( w& g. r2 eRusting (require maintenance to prevent corrosion) / G. _; p0 J; @# p kCopper and lead roofs can be targeted by metal thieves$ E0 r; t3 J d8 b2 R
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. _% [+ x4 V; A6 A1 o5 B
Cellular and radio reception may be negatively impacted
Metal roof ??- T5 R! `! s9 b: E/ f; l' Z
what's going to happen in a hail storm, will it be very loud ???* w7 }0 b8 Y* P( T8 |; X0 `
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 f* P' S" V5 o( K( g0 {Metal roof ?? s j( I: B S: U+ _+ S4 cwhat's going to happen in a hail storm, will it be very loud ??? / U% u0 Y' w9 Y0 n) O* I USummer raining seas ...
icing 发表于 2014-6-7 22:36 0 P6 J, f- a! W) MMetal roof ?? T. L9 @. f, F+ `% x0 A
what's going to happen in a hail storm, will it be very loud ??? ( n$ A7 e, r: \5 YSummer raining seas ...
! s. o) g( S% b8 X4 j% z7 ^9 D- Pthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.