Advantages 0 |+ J! A6 i! _4 LVery durable in cold weather/ p% t- ^! o6 M# N! _5 F
High percentage of recycled material and are 100% recyclable ( I; e* @, P; f8 s) pDisadvantages ) Q9 J5 L# [# L! U, c- ORusting (require maintenance to prevent corrosion) % H4 }. Q. q6 _Copper and lead roofs can be targeted by metal thieves3 ]- B% A) R' @7 h: l$ B
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure; s4 i& |% H/ v3 R
Cellular and radio reception may be negatively impacted
Metal roof ?? " s4 ^# B T: j5 W" B) rwhat's going to happen in a hail storm, will it be very loud ??? - `$ P+ M, g& U" VSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 # C% r' n' Y1 J
Metal roof ??- V7 h! }5 n5 `/ M4 R6 b
what's going to happen in a hail storm, will it be very loud ???) c2 ^8 o& }# H9 H4 A
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ! J9 ~+ [' U* k! A' K+ r- P
Metal roof ?? D9 `% }' }( [# Z, ^, R+ w0 x& a1 Qwhat's going to happen in a hail storm, will it be very loud ??? $ C# r& m; X$ F+ x5 S9 ]+ k2 h0 hSummer raining seas ...
. G5 M8 T+ r3 r8 N. ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.