Advantages' ?- T/ S9 t( z
Very durable in cold weather8 U' M7 f1 \ \' a% l
High percentage of recycled material and are 100% recyclable) U- [ }* s& K: w
Disadvantages , L, @7 Z$ y: c2 ~+ VRusting (require maintenance to prevent corrosion)8 e6 X) G1 I% o& I9 \
Copper and lead roofs can be targeted by metal thieves C- J3 b4 N- j7 I0 E
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 x& U& g1 d: l8 W& }Cellular and radio reception may be negatively impacted
Metal roof ?? - b4 a8 V( `3 I' }$ c- jwhat's going to happen in a hail storm, will it be very loud ??? ) o; R! i! w R# xSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 * m# p0 X! h0 D1 k r& f: G+ t
Metal roof ??3 Z. ^2 I P" q0 e; E9 Y- A# u& Y" V
what's going to happen in a hail storm, will it be very loud ???# w, T9 h' Z3 b$ y, \9 Y x* _
Summer raining seas ...
9 l* W S2 J! ^that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.