Advantages - X: D. V, q: r1 ~Very durable in cold weather8 D: g2 }% M8 u! o2 W
High percentage of recycled material and are 100% recyclable9 g5 U$ N- U& j
Disadvantages 6 l0 L9 ?3 E5 A* zRusting (require maintenance to prevent corrosion) 6 U9 W2 b. H( KCopper and lead roofs can be targeted by metal thieves; i* E5 c" E: ~8 G
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) w5 c% C$ e0 L! |9 DCellular and radio reception may be negatively impacted
Metal roof ?? * ^* |3 ?9 ]8 ^5 r4 mwhat's going to happen in a hail storm, will it be very loud ??? ! v7 k" V3 L- E- z; ~! Q9 ZSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 x3 _# w: q" l
Metal roof ??" k1 Z, H4 {- ` [' \+ C" Y, m
what's going to happen in a hail storm, will it be very loud ???, ~7 B, l; Y. e' u* ~7 a8 [6 z
Summer raining seas ...
icing 发表于 2014-6-7 22:36 / u) |2 M9 K/ V6 q0 n
Metal roof ??: b; w# Z4 H( D4 B: r4 G
what's going to happen in a hail storm, will it be very loud ??? 6 L P' a4 P, b5 ? i) |Summer raining seas ...
; g& }' {, }/ B, |
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.