Advantages ' N, c" J; |! t7 T; A) y# M; kVery durable in cold weather ! w6 X' d! e' w; m5 h9 O# JHigh percentage of recycled material and are 100% recyclable ) N# i* Q% l+ R) |9 h# {/ ]0 _Disadvantages- S( H+ X8 C9 h! `
Rusting (require maintenance to prevent corrosion)3 m5 W# C, O# H% P T# r
Copper and lead roofs can be targeted by metal thieves ' @1 S" g: I, c' ^High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure7 N5 q( o, m4 S) l* k4 P" |7 N
Cellular and radio reception may be negatively impacted
Metal roof ?? - z' ^) J5 R' k* N, hwhat's going to happen in a hail storm, will it be very loud ??? : t! \5 U. q* ]; ^4 Q1 X1 Y! \Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 Q" ~" h; Q/ |/ U- K
Metal roof ?? + \' i! J; V. {6 N$ l# w! fwhat's going to happen in a hail storm, will it be very loud ??? 8 _+ |! m! R5 s( N4 l0 TSummer raining seas ...
icing 发表于 2014-6-7 22:36 1 s0 `: g5 Z6 a2 @$ H
Metal roof ?? - `: v& r: R* h7 h$ T$ bwhat's going to happen in a hail storm, will it be very loud ???+ c" c3 ] i5 W2 r! N
Summer raining seas ...
, M3 n' X2 Q% C- K4 K$ X5 f, Fthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.