Advantages J: n- V4 f7 ~+ V6 I; B) E5 [Very durable in cold weather 4 }( h7 z2 F9 S& M8 P$ XHigh percentage of recycled material and are 100% recyclable ) Q" e( H8 a( {* ]Disadvantages : H8 u& `, n7 Z# L/ [3 S& s# NRusting (require maintenance to prevent corrosion) ' g7 H& w. ]& m# u! `Copper and lead roofs can be targeted by metal thieves 4 X0 v7 X& e6 I( D/ ]High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure5 {$ D' E. [5 e2 b
Cellular and radio reception may be negatively impacted
Metal roof ?? + Z4 ^: t- J, y1 z6 bwhat's going to happen in a hail storm, will it be very loud ??? 5 @& Q: p5 P. {/ d5 y2 lSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ N; h9 j z5 d8 S& W% U) G$ q
Metal roof ??6 O! \& l: X+ r l
what's going to happen in a hail storm, will it be very loud ???, X0 ^2 g9 j& @; c# r2 i3 V) f/ `
Summer raining seas ...
icing 发表于 2014-6-7 22:36 7 Y4 W1 E. F5 h4 B/ d( \6 X2 }1 v$ AMetal roof ?? ! A- S- f; ?8 q7 t0 e' qwhat's going to happen in a hail storm, will it be very loud ???1 p( E! U' U* g, P! h% c
Summer raining seas ...
4 f% S q/ O P4 Q3 f: ~+ L/ Pthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.