Advantages & K9 E. e) A: J+ EVery durable in cold weather ) g2 h$ s7 D2 d" `High percentage of recycled material and are 100% recyclable, L8 T! V, x2 P
Disadvantages( J- ]8 }, b5 X) r7 n. g8 ]( M' B
Rusting (require maintenance to prevent corrosion) $ ~0 g/ W, c3 N. X3 c. z' vCopper and lead roofs can be targeted by metal thieves4 J4 [* q& k& O+ G! W6 L) D
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( m! s. x: }7 d) F+ ?$ o4 g t
Cellular and radio reception may be negatively impacted
Metal roof ?? - G; n% m6 H9 Fwhat's going to happen in a hail storm, will it be very loud ???; W, P3 O% V+ N1 s6 h. z- P
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 8 H" o) u" V Q
Metal roof ??* V7 \2 P5 k, @( f
what's going to happen in a hail storm, will it be very loud ???' t: f: b: D: V/ }
Summer raining seas ...
icing 发表于 2014-6-7 22:36 3 K: Z0 k( K& X s- a" D; G5 I ?
Metal roof ??% c6 \+ r- d. b% U! K4 i3 w$ k* f
what's going to happen in a hail storm, will it be very loud ???* O& I) @; O+ [1 ]6 x X. `
Summer raining seas ...
d6 W! R/ }4 g+ j! n6 fthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.