Advantages5 O; A: w7 z3 c4 ] o7 P
Very durable in cold weather . `: D. H! ~4 |3 F$ u0 AHigh percentage of recycled material and are 100% recyclable 5 ]# U* p; s8 _Disadvantages2 L& Y8 }1 h0 ?8 n% }
Rusting (require maintenance to prevent corrosion) {* R0 H( Z7 a1 r
Copper and lead roofs can be targeted by metal thieves) s% v$ E: J) n- _! e
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure/ l/ X N! K9 I ^
Cellular and radio reception may be negatively impacted
Metal roof ?? # j+ B( a5 G+ r- J' F, iwhat's going to happen in a hail storm, will it be very loud ???' @( v( @% o7 R: X. @
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 G, d/ D; }4 X' KMetal roof ?? 1 ^* G2 t) @, qwhat's going to happen in a hail storm, will it be very loud ???5 _6 b- F) C# c- |, i6 G/ w
Summer raining seas ...