Advantages) v' d- p5 ~7 U4 v
Very durable in cold weather . f6 E) o1 {/ @8 J8 r! i% g/ |High percentage of recycled material and are 100% recyclable! l. F+ K- n* ?
Disadvantages; Y* w$ W& w+ y/ G
Rusting (require maintenance to prevent corrosion) ; z4 P5 Y/ Q* z' HCopper and lead roofs can be targeted by metal thieves* `6 D. e# ^/ M; M1 Z0 Z {
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 5 l2 V1 C" F5 ]' ?( h1 R( ~* i9 j# S/ yCellular and radio reception may be negatively impacted
Metal roof ?? 3 s- |- ^" j) Ewhat's going to happen in a hail storm, will it be very loud ???7 X' p6 x* j0 i
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 \4 E& j1 |2 K7 s9 Y
Metal roof ??* Y" t1 e4 Q" t* R
what's going to happen in a hail storm, will it be very loud ??? 2 o2 {$ e0 u9 c9 HSummer raining seas ...