Advantages. @. G. V- s0 m! i( t% R+ r
Very durable in cold weather" m) w- T$ l+ C0 Z3 k6 ^5 e
High percentage of recycled material and are 100% recyclable4 ^# v0 X, y8 D F1 g' e
Disadvantages 8 G9 I$ x+ b; {/ D+ f( }6 G* vRusting (require maintenance to prevent corrosion) : i0 L1 N2 q$ sCopper and lead roofs can be targeted by metal thieves3 Y1 V& Y) W8 D" `: ?0 P, _
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 0 q7 Z3 w9 e& ]' eCellular and radio reception may be negatively impacted
Metal roof ??: b W4 Z# Y s3 Q3 |! U
what's going to happen in a hail storm, will it be very loud ???: m( Z0 y) p3 Y- M
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 W! c9 ]6 d( r; E" {% _& NMetal roof ??+ Z, j( T1 B) {6 L2 C
what's going to happen in a hail storm, will it be very loud ??? " k. F$ y& U, H# y, mSummer raining seas ...