Advantages ; }8 q9 r& l6 N( [* I4 q! FVery durable in cold weather, |* h0 y! [1 b. ?5 O o
High percentage of recycled material and are 100% recyclable9 Z4 w, s2 z0 @" `. v* _
Disadvantages / W! c6 R# M; Y9 q; T7 D$ J4 oRusting (require maintenance to prevent corrosion) # @5 e4 i5 j8 o+ {5 M' lCopper and lead roofs can be targeted by metal thieves # w& L }2 P1 \7 v8 z$ R. O* cHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure* a4 I1 ^7 o$ R1 V9 |( c
Cellular and radio reception may be negatively impacted
Metal roof ??5 a( h1 ^/ i- A( L' A
what's going to happen in a hail storm, will it be very loud ???. k' _# @( J$ h( X9 U. ^. I6 J, H
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 9 \( `0 E% ]% MMetal roof ?? : ~% c6 R: K/ Q0 `0 H1 i+ nwhat's going to happen in a hail storm, will it be very loud ???+ I d3 y" N* S5 B* k
Summer raining seas ...
icing 发表于 2014-6-7 22:36 7 T8 `# u! ^7 Z( D! T2 C
Metal roof ?? ( q8 L" {7 [, R3 }; nwhat's going to happen in a hail storm, will it be very loud ???0 W; y- ?0 W M; @1 n9 n9 T
Summer raining seas ...
) o8 Z( E" }6 a7 sthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.