Advantages 5 w1 z% \& u/ Z9 e- x" G" vVery durable in cold weather 7 c, M# v R) [+ B- n- T; JHigh percentage of recycled material and are 100% recyclable: ^0 [7 D2 F$ `$ Z$ {5 L4 J. U
Disadvantages " D4 f7 n6 }2 @/ J3 a/ YRusting (require maintenance to prevent corrosion) / a$ m0 j+ H" N4 ]Copper and lead roofs can be targeted by metal thieves . B3 N: g$ R8 z" y0 D( {High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure Y2 d4 v' ^$ v: u1 ~* U' k- ]
Cellular and radio reception may be negatively impacted
Metal roof ?? : _) v/ p% c ~+ `) g$ Pwhat's going to happen in a hail storm, will it be very loud ??? ( R1 ?! Z! V: W6 R" ASummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 x& B# c2 A# Z ^* ?6 N- N
Metal roof ?? v2 Q3 H; c! h' }
what's going to happen in a hail storm, will it be very loud ???% F' p9 K/ C6 r
Summer raining seas ...
icing 发表于 2014-6-7 22:36 6 P& ^! M; Y: H4 l7 \% \Metal roof ?? 2 q1 h. _+ ~1 h! B" `* Swhat's going to happen in a hail storm, will it be very loud ??? ( Y+ ^1 W& b2 x" j* O: HSummer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.