Advantages 7 {" T* B3 [9 h" {7 AVery durable in cold weather ( q7 H" K4 p5 V" J+ U7 C3 AHigh percentage of recycled material and are 100% recyclable x7 M: t( ^) A$ n, X4 r
Disadvantages/ T- S9 t* ~( }$ \
Rusting (require maintenance to prevent corrosion)6 c- O9 R( L) w- N& k9 Z
Copper and lead roofs can be targeted by metal thieves/ {, [: H. q6 ~+ M+ }7 b1 j# B! U
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure' O6 t, e0 L' A
Cellular and radio reception may be negatively impacted
Metal roof ??1 K# P' x! q1 a F) D
what's going to happen in a hail storm, will it be very loud ???' f; y0 P/ a. z0 P. V! Q2 N
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ( k4 Z) Y1 c# g0 s- m6 i
Metal roof ?? m) U$ ]8 P- A ~; ~3 k7 P+ u* H
what's going to happen in a hail storm, will it be very loud ???9 m7 {' C" B8 y8 H
Summer raining seas ...
8 r" w0 s+ o, f" {3 m
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.