Advantages4 [2 H" I( Y- Y$ J7 c- J+ z
Very durable in cold weather + O( T+ U7 b# SHigh percentage of recycled material and are 100% recyclable 6 |. q& P( d7 DDisadvantages " k0 n% P" o) L* @( ZRusting (require maintenance to prevent corrosion) " L5 F b) G ICopper and lead roofs can be targeted by metal thieves+ Z) P3 @5 t. i1 Q" E& o7 [
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 b7 D5 p1 E! L7 e d) | |: G- a N7 C6 KCellular and radio reception may be negatively impacted
Metal roof ??- c* t3 T# |9 F6 Z5 _" R
what's going to happen in a hail storm, will it be very loud ??? ( O) o) T @7 K% F& Y/ VSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ( N: c& f- d a/ b7 eMetal roof ??% ^( q3 K/ W1 R/ F! ?" v
what's going to happen in a hail storm, will it be very loud ??? $ h. m3 @( J0 s! X* fSummer raining seas ...
icing 发表于 2014-6-7 22:36 1 q* _0 a0 n: Q8 |Metal roof ??; e0 @0 Y. l4 K, p
what's going to happen in a hail storm, will it be very loud ???/ p, h4 W8 A. W0 G5 b2 Q$ B
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.