Advantages$ G2 H4 m0 |# c5 J
Very durable in cold weather3 m2 y3 \* f6 R2 J9 t J
High percentage of recycled material and are 100% recyclable 2 Q+ I- V: _8 q% E# O7 VDisadvantages: z2 \, v8 I! R* X% U7 @# |, H
Rusting (require maintenance to prevent corrosion)* X; g! s& B- t, u! ?
Copper and lead roofs can be targeted by metal thieves # N+ g2 u* S- b) _High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure . L7 b" H5 D( k+ S* \2 q, L @Cellular and radio reception may be negatively impacted
Metal roof ??9 z! e2 ^& W) r* @" l7 r
what's going to happen in a hail storm, will it be very loud ???& m: F9 n7 ?5 L1 z
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & F1 J* e" p- e' e3 m
Metal roof ??" M4 w0 m) y8 [- c' ^; l
what's going to happen in a hail storm, will it be very loud ??? 4 c& v4 M0 w: G9 ]Summer raining seas ...
icing 发表于 2014-6-7 22:36 $ `% }. m/ W' T8 fMetal roof ??# o% R6 _& j+ x# d9 k
what's going to happen in a hail storm, will it be very loud ???& Q$ g9 [6 V& K" L( ^$ _( d, Y
Summer raining seas ...
1 k; r: Z8 U* Q: t6 {) xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.