Advantages ; x, L0 n$ E fVery durable in cold weather1 r8 Y; Y" e& H/ k) {0 r
High percentage of recycled material and are 100% recyclable 9 _; M# ~% C$ |+ QDisadvantages % F+ _, p" i5 R% Q# l' U) nRusting (require maintenance to prevent corrosion) # u& a7 S& {# l& T* ~Copper and lead roofs can be targeted by metal thieves$ [& |; J& p6 m3 [" I9 _9 P
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure$ a0 c4 x* @, v6 h( k
Cellular and radio reception may be negatively impacted
Metal roof ??& u! C Y$ |1 W
what's going to happen in a hail storm, will it be very loud ???- h( b6 `( I5 t
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ! P- m v7 r, C
Metal roof ??$ K; _+ F. m" s6 `. ?
what's going to happen in a hail storm, will it be very loud ???, V! h3 Z. a, y5 O4 o+ z
Summer raining seas ...
6 o1 t: N7 J. O- t
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.