Advantages , J4 s& j1 B6 s8 IVery durable in cold weather 9 Q2 c" l1 p) ^High percentage of recycled material and are 100% recyclable ; @* J3 B+ A- V% ^- QDisadvantages0 }8 Q0 T1 `) r
Rusting (require maintenance to prevent corrosion)# ^+ B# d( J7 Z2 E
Copper and lead roofs can be targeted by metal thieves8 F4 a3 [) D8 Y0 a; g# a1 p' }
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ Q8 S3 _* J& w/ G. x
Cellular and radio reception may be negatively impacted
Metal roof ?? 5 P2 I5 W q, Lwhat's going to happen in a hail storm, will it be very loud ??? : c9 T- G. L# T$ [& ESummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 p* M9 j8 o Z2 \7 ?" ]6 IMetal roof ??+ x3 g4 b% a1 [1 n
what's going to happen in a hail storm, will it be very loud ??? * e4 U1 w" A3 V; p& KSummer raining seas ...
icing 发表于 2014-6-7 22:36 9 L# `* \: b0 e& U) B. TMetal roof ?? 9 A% g- ?% n6 F' d6 J1 Twhat's going to happen in a hail storm, will it be very loud ???0 h" w c/ q- K4 t' G
Summer raining seas ...
. V4 w0 x$ U+ g% l& K. Athat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.