Advantages4 @7 f, ~& q+ T" P! F8 `
Very durable in cold weather + d* F3 ^2 O; F5 R; K1 oHigh percentage of recycled material and are 100% recyclable , ~6 a- g* ~& {Disadvantages ! ?1 w2 [1 z+ X0 Y0 aRusting (require maintenance to prevent corrosion) ! \0 R8 B" J6 s; `9 VCopper and lead roofs can be targeted by metal thieves0 l4 ]' `# `' z* L% B( _
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ; k: y8 T5 [$ n. j" ]* GCellular and radio reception may be negatively impacted
Metal roof ??" N) A/ R* \# q* f* B1 U9 `4 T
what's going to happen in a hail storm, will it be very loud ???4 [ ?7 T% ^" Q0 O
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 1 Q- N; F5 Z. r. s0 L& F: E
Metal roof ?? # B( ~0 V# D0 g" @( Dwhat's going to happen in a hail storm, will it be very loud ??? 0 d$ `/ Z$ ^2 O* a0 r2 {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.