Advantages7 V ~0 D* V4 }% E
Very durable in cold weather J" _8 [6 \1 @5 A' `High percentage of recycled material and are 100% recyclable7 Q# @$ p, `1 ?3 g2 c
Disadvantages ! I/ X" X, n9 s* g& z& t; _Rusting (require maintenance to prevent corrosion)$ B4 _4 N6 D0 V& a4 ?+ T; k3 |
Copper and lead roofs can be targeted by metal thieves" g% i- ?$ C) k5 Y7 d
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure % C& N& v q+ Z5 f* PCellular and radio reception may be negatively impacted
Metal roof ??% ^) p$ Z6 m, L' k
what's going to happen in a hail storm, will it be very loud ??? # ~! U R9 F8 }9 [$ hSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ( ]" F# l. C% LMetal roof ?? 3 E# y$ _5 l8 `; l' m3 X" twhat's going to happen in a hail storm, will it be very loud ???- T" L2 q8 m7 q) r
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 P2 {3 l Q, f+ V9 M! `+ HMetal roof ?? : o0 A, v% e# J9 i) _what's going to happen in a hail storm, will it be very loud ???/ R2 }/ {! u y W5 j: A
Summer raining seas ...
; n: y; ^6 L2 Z, s3 | Qthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.