Advantages 7 X7 C' Q* f+ G! u! q: r% M0 QVery durable in cold weather # u1 c" Y! ^$ ^5 @, p8 GHigh percentage of recycled material and are 100% recyclable . t. U$ V1 o3 s" b, }0 W2 E8 SDisadvantages % S1 ?+ S% e8 M2 M: d, u5 Q3 uRusting (require maintenance to prevent corrosion) 7 j% o, m2 ?/ H" j/ xCopper and lead roofs can be targeted by metal thieves* s9 W6 o) ^5 F6 D N
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure [& s5 T) U& E6 T8 ^6 d9 O" j2 oCellular and radio reception may be negatively impacted
Metal roof ?? 5 c K5 N9 t" X# e6 zwhat's going to happen in a hail storm, will it be very loud ??? ( R: q) ~! E( Z- \: |6 ^Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 e, l0 n* f! r4 C" hMetal roof ??& _2 ?& J9 {! Y, @ U
what's going to happen in a hail storm, will it be very loud ??? ' w, ?3 N5 t/ M, ySummer raining seas ...
icing 发表于 2014-6-7 22:36 ) }2 b8 \+ l- y9 hMetal roof ??& W4 K* U+ a8 g- M
what's going to happen in a hail storm, will it be very loud ??? * r @5 j7 E& ]: aSummer 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.