Advantages+ {7 q2 ?/ Q1 `( n
Very durable in cold weather % j; y" C8 y" }8 G" `6 B; w, X8 P4 kHigh percentage of recycled material and are 100% recyclable: C! U( J5 o7 h! z+ P# \- K
Disadvantages3 H1 S$ B8 M% s- a4 U0 H# Q
Rusting (require maintenance to prevent corrosion) 3 U( ? r' L" M6 k1 w% MCopper and lead roofs can be targeted by metal thieves& y3 s5 ~) H' A/ }
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure& J5 V7 b6 m, z1 }5 Q6 h
Cellular and radio reception may be negatively impacted
Metal roof ??2 o1 C/ a3 B. _
what's going to happen in a hail storm, will it be very loud ??? 0 ?+ i2 P, X" R) Y) oSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ! \3 V) v# z$ @' R" Q5 a/ r& }
Metal roof ??( x/ l' f: N- K7 {/ R% f
what's going to happen in a hail storm, will it be very loud ??? 2 f2 B$ e* S3 ]7 ]) ?Summer raining seas ...
icing 发表于 2014-6-7 22:36 A l- i" A# w( E! r9 L tMetal roof ??' v6 _7 X" @# S. ?3 c
what's going to happen in a hail storm, will it be very loud ???* P. f8 T" g* _, S$ u/ S; R
Summer raining seas ...
1 ?5 T: O4 |- U
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.