Advantages5 w/ O+ [6 U, o/ i$ G6 L
Very durable in cold weather% R( _3 d1 U& q# c
High percentage of recycled material and are 100% recyclable 8 u, x! h2 N" w5 u' X' xDisadvantages, p8 k8 g% c. p) {" I" {1 d( B
Rusting (require maintenance to prevent corrosion)% T1 _- ~6 W2 Q/ V
Copper and lead roofs can be targeted by metal thieves ) u/ \) |3 b \2 ^0 k) [/ pHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! N7 d3 ~1 r5 q9 Z2 q# aCellular and radio reception may be negatively impacted
Metal roof ??$ G2 \7 K! e" O6 A+ J
what's going to happen in a hail storm, will it be very loud ??? ) s0 |5 V2 E- f/ ?. {. lSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * G8 A6 f, T; V8 d/ a
Metal roof ??2 K) E+ p3 \* ~9 x X9 U
what's going to happen in a hail storm, will it be very loud ???! T/ j- X. b# ~# c
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) X/ b+ I: G) i! S. h9 q' w
Metal roof ?? : l5 O- l* e/ dwhat's going to happen in a hail storm, will it be very loud ???) O0 A! o/ |7 F" ? @. Q
Summer raining seas ...
\7 Z6 C, [" _. Q" Fthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.