Advantages " I/ q' Y3 o9 w7 R9 M: T$ DVery durable in cold weather 8 ~8 d* p1 K1 o: D: HHigh percentage of recycled material and are 100% recyclable" p0 h1 o( L& W
Disadvantages 8 L2 Y' L" X! u" p, [! nRusting (require maintenance to prevent corrosion)4 ?, N6 x w0 m- \! e
Copper and lead roofs can be targeted by metal thieves9 P) a4 J8 K3 d4 }! ~; v2 x7 u" L
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure j) W( \, J K Z" s6 H+ o7 Y, uCellular and radio reception may be negatively impacted
Metal roof ??5 r% R: C. x& \/ @3 d ?9 e
what's going to happen in a hail storm, will it be very loud ???9 E- M, S+ Z& j) X
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 ]/ O- a9 L2 J) t. OMetal roof ?? * V' _& l& h1 R# Y! E/ ?; Ywhat's going to happen in a hail storm, will it be very loud ???2 x7 s% g* a. @- v3 l; G
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 B3 h% \" V& A; _0 o
Metal roof ??' O/ S0 g& o* [& e. f p
what's going to happen in a hail storm, will it be very loud ???, o5 Q I3 L* K# C) t$ l
Summer raining seas ...
5 S8 S0 g( D- m1 y: u6 a, m, Q) ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.