Advantages& C" a0 A# J) y/ d4 B( U
Very durable in cold weather! m# E5 n" f* U M5 [
High percentage of recycled material and are 100% recyclable. H+ R, B, U' D% {9 E
Disadvantages- y) X* h/ p6 x& M k3 U( ]+ J
Rusting (require maintenance to prevent corrosion) p8 m) L/ b' H8 N8 c) r% Z: M
Copper and lead roofs can be targeted by metal thieves) @( i* v4 w) h. ^/ g5 R
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure + ?9 o+ `( X( T1 `2 UCellular and radio reception may be negatively impacted
Metal roof ??: X; b5 _3 |- a* I8 S1 J
what's going to happen in a hail storm, will it be very loud ??? 5 Q) g+ R' E" q/ C8 TSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 1 d# D1 d. W8 [2 [# `2 y$ ]' NMetal roof ?? + L2 M. ]" T; iwhat's going to happen in a hail storm, will it be very loud ???6 s: }% j+ ?5 i* G' r& D
Summer 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.