Advantages ! r* ~% p- V( U3 A" A fVery durable in cold weather0 b: s7 z& i4 X* V. m, H8 `# P
High percentage of recycled material and are 100% recyclable& M1 e8 o$ \2 e/ B* E
Disadvantages2 a+ x$ n, n" b( l$ Q! G7 f% |
Rusting (require maintenance to prevent corrosion)+ A, y1 E* {0 N% J" f4 i
Copper and lead roofs can be targeted by metal thieves 8 t) Y6 T4 ^3 |" ^High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( z$ w6 Q* v: U8 U! d
Cellular and radio reception may be negatively impacted
Metal roof ?? ! w8 p5 l8 Y) c" f2 U& H* Y/ gwhat's going to happen in a hail storm, will it be very loud ???2 H+ [; E# h& k& h! c; n" D* a Z& ^9 j
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 5 N; d" ]+ A$ A- \
Metal roof ??9 ~# s* p! ]9 p6 D" w
what's going to happen in a hail storm, will it be very loud ??? $ y3 F; ~ G: t/ wSummer raining seas ...
7 D. F- r+ A- W% l* S; Uthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.