Advantages x8 k- ?- ]. U6 Q. Z3 V" X0 AVery durable in cold weather- N0 d. b$ i0 m
High percentage of recycled material and are 100% recyclable) T/ z! I. y& u/ p$ t
Disadvantages2 y0 z! p' X" S" b+ W
Rusting (require maintenance to prevent corrosion)# ~3 O+ T' n% p- L- L
Copper and lead roofs can be targeted by metal thieves0 F$ T. _" \" H$ A' @7 I Q5 L. N
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure8 B2 z' Y) E I$ [( G5 P+ g
Cellular and radio reception may be negatively impacted
Metal roof ?? + q2 |: X- f1 |& Twhat's going to happen in a hail storm, will it be very loud ???& F. m% Y5 b4 e2 ^/ [( l/ I
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & M: O# X- q! Z
Metal roof ??' ~/ r* ~# h. F' S' |9 r' |1 f; X
what's going to happen in a hail storm, will it be very loud ???6 a# l( `2 j: J) p: y
Summer raining seas ...
icing 发表于 2014-6-7 22:36 / W5 _! c, ]3 BMetal roof ?? * x L4 C1 ?2 k1 x ]5 mwhat's going to happen in a hail storm, will it be very loud ???0 I Z# q4 q; X3 x- \; [ t- P
Summer raining seas ...
$ @! R ?- ?; R2 H. b6 a) Rthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.