Advantages 5 D1 V; C. j& {4 I; |Very durable in cold weather ) {& S8 a$ B% b( A7 f4 YHigh percentage of recycled material and are 100% recyclable" {, N) @8 j% l1 ]2 R2 d9 D
Disadvantages, b& r$ o$ U$ |6 n# G
Rusting (require maintenance to prevent corrosion) # w# M3 u8 O( Q3 {2 x( ~Copper and lead roofs can be targeted by metal thieves: Y: m" ~; \( M8 W
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure $ W' L5 Q2 h) u! R0 K$ L4 yCellular and radio reception may be negatively impacted
Metal roof ?? d* \; d6 @" Q$ I2 V0 S3 Fwhat's going to happen in a hail storm, will it be very loud ???5 G' m3 C4 I& w7 U' W# [: I
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 _& l: @; w$ _- i
Metal roof ?? ' m, V! o' Z4 C Pwhat's going to happen in a hail storm, will it be very loud ??? L2 w' f4 |% |- J! z# T4 |
Summer raining seas ...
icing 发表于 2014-6-7 22:36 + A8 [( Y) X5 D: @- Q7 Z2 z
Metal roof ??: N# j6 x! F! s' f+ O* v
what's going to happen in a hail storm, will it be very loud ???9 E, r4 I, M' X8 ^1 _
Summer raining seas ...
# J9 {2 b% j) v/ Mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.