Advantages + _8 m) [" D1 I( n# Q+ V. i" h3 cVery durable in cold weather7 k" _3 D1 t' y* @" R8 K. e6 [2 [
High percentage of recycled material and are 100% recyclable6 Y2 p: D' Y, L% [- p) W
Disadvantages / Y% b4 K& u" Z4 GRusting (require maintenance to prevent corrosion) . [' ?4 ]' G' w G+ \, Q" S, QCopper and lead roofs can be targeted by metal thieves 1 n& L" R+ d% q4 WHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure2 [& Q2 w5 d2 ~
Cellular and radio reception may be negatively impacted
Metal roof ?? 3 _$ }( B- [* E+ Wwhat's going to happen in a hail storm, will it be very loud ??? 0 d& @; L+ s$ Q: i3 n1 hSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ( c3 ~& e! A l) f7 U, }Metal roof ?? 8 s: R0 U J" _: M% J& p9 l9 J* Nwhat's going to happen in a hail storm, will it be very loud ???/ z0 K1 @/ ^$ b$ t/ w8 f
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ( V* R* }( [! f/ k U
Metal roof ??7 H+ J& ]* \/ S* |% z. J) [
what's going to happen in a hail storm, will it be very loud ??? % |! [9 Q2 j2 B5 m( S7 Y( {5 OSummer raining seas ...
! X0 H9 z9 w( nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.