Advantages ( J2 z" | Z+ Z5 oVery durable in cold weather - _. w) @* s( c0 {# K% X) zHigh percentage of recycled material and are 100% recyclable! H5 y0 I4 s% V+ Q7 L3 o; C! K
Disadvantages' I; E9 k6 Q2 }/ x; Q* n ^7 J
Rusting (require maintenance to prevent corrosion) 8 s0 V0 {6 ^7 w7 nCopper and lead roofs can be targeted by metal thieves7 a6 M" P, m0 _1 H* K* Q
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure / ~6 y0 }0 M$ O+ U2 R$ Q- JCellular and radio reception may be negatively impacted
Metal roof ??$ `) s# J" z/ `3 _
what's going to happen in a hail storm, will it be very loud ??? z. b( @6 ^0 U# ?- W# R; nSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 N" ^8 X2 s8 G* p4 A" H! sMetal roof ??) w: j) `; _! n% l- ^4 r
what's going to happen in a hail storm, will it be very loud ???8 |" k3 v. {4 r) H
Summer raining seas ...
icing 发表于 2014-6-7 22:36 : K8 G, m0 n; {1 J n- p
Metal roof ??7 F/ p2 l! K- s0 Z! q6 y# g
what's going to happen in a hail storm, will it be very loud ??? 6 S8 u, K* Q3 {9 p4 ESummer raining seas ...
$ \; C, J1 U4 `- Lthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.