Advantages " {6 E7 w6 J1 W1 M, YVery durable in cold weather$ @4 w+ o5 g# ~7 u; _ g
High percentage of recycled material and are 100% recyclable ! T# A1 [8 X3 |0 {9 D5 W: l2 P/ v2 mDisadvantages - h; D1 l1 y \Rusting (require maintenance to prevent corrosion) 3 u- i/ T1 V7 N3 `- J7 kCopper and lead roofs can be targeted by metal thieves 4 X7 e& F' @! A1 U( F5 r8 M/ wHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure* F6 \/ Z0 d/ y7 e7 F
Cellular and radio reception may be negatively impacted
Metal roof ??9 w7 W9 G4 S- N T) [* q' `
what's going to happen in a hail storm, will it be very loud ???* M# D6 s4 m; [
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - R+ t5 {4 X5 }
Metal roof ?? 1 d3 k2 y4 R. S% Q; b! kwhat's going to happen in a hail storm, will it be very loud ??? ! L6 A" R9 d4 j1 u- K7 p) }Summer raining seas ...
icing 发表于 2014-6-7 22:36 ' D: D4 r" k' T1 b3 _" F3 r
Metal roof ?? $ E1 x- t# W# A8 e. Uwhat's going to happen in a hail storm, will it be very loud ???+ s4 n0 [6 y8 V
Summer raining seas ...
$ J: j5 L6 k! B) L5 nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.