Advantages 3 u* Z2 c% J: B* u$ @5 @ F6 aVery durable in cold weather- F% \5 O$ x+ N. D0 ^ C% z( G) \8 J! Z
High percentage of recycled material and are 100% recyclable" M7 R. O( `1 v. ^; q1 L! N
Disadvantages' e& K! I# P% }- g
Rusting (require maintenance to prevent corrosion) % Q$ { c9 X8 ~( Y' QCopper and lead roofs can be targeted by metal thieves ( H C6 W5 o: sHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! r0 m- \' a6 G# W! RCellular and radio reception may be negatively impacted
Metal roof ??1 h& E8 @. s z; A! x* k& \/ r
what's going to happen in a hail storm, will it be very loud ??? " }& m4 z8 _7 O/ G' JSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 $ ~; P5 M, M* f% F
Metal roof ?? 9 X8 n# W+ K ~2 g' {what's going to happen in a hail storm, will it be very loud ???3 j, P1 E @" j+ m( Y6 H w6 D. Q
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) i* T/ f. X3 ~/ n6 W
Metal roof ?? 7 s! Y* \; j0 |5 pwhat's going to happen in a hail storm, will it be very loud ???8 X, y5 s/ Z1 k6 T/ Y
Summer raining seas ...
% c7 H3 j; A+ G3 S2 o8 [3 ]8 mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.