Advantages ) M3 B: K! G6 _Very durable in cold weather 1 X2 m; v3 J) j, `. q2 z4 {0 N' oHigh percentage of recycled material and are 100% recyclable* d4 v& n' i) Q3 Z
Disadvantages 0 K, k7 i& B' q/ n4 C {Rusting (require maintenance to prevent corrosion) $ }6 T7 x1 L3 W/ n- B( }Copper and lead roofs can be targeted by metal thieves' R' A+ t, W8 h) y1 X0 r
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 7 q- C+ ^) Q+ J, p1 W# YCellular and radio reception may be negatively impacted
Metal roof ?? 6 ]7 t+ D8 ]% Qwhat's going to happen in a hail storm, will it be very loud ???/ q$ h4 q! h! J2 R
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' S6 Y: u+ C/ ~8 L( n7 \9 |1 [
Metal roof ??# P5 ?4 {6 ^5 Z! N6 L
what's going to happen in a hail storm, will it be very loud ???, Y+ i2 X# f) m e3 H
Summer raining seas ...
icing 发表于 2014-6-7 22:36 $ u6 W$ T0 w: H$ [; F$ C
Metal roof ?? ( A* E! A, A0 K. Q' i; x% |what's going to happen in a hail storm, will it be very loud ???% J# c' Z& q5 a1 |7 R) r6 I/ I
Summer raining seas ...
9 u- v. H' m+ W U* p
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.