Advantages6 }' U: T- o* b8 K1 F {
Very durable in cold weather : Y, q7 |; D7 J+ BHigh percentage of recycled material and are 100% recyclable , k/ ]8 d4 G: ~4 M3 NDisadvantages# i( }2 R+ m2 h0 y
Rusting (require maintenance to prevent corrosion) / r. ?1 H) |+ v' k- d4 e7 b. {Copper and lead roofs can be targeted by metal thieves 7 R& |! _+ Q+ U% @* }$ wHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure * g7 w" Q! I7 I* kCellular and radio reception may be negatively impacted
Metal roof ??4 B; E$ e' N; J, |* E/ |
what's going to happen in a hail storm, will it be very loud ??? 1 S; F& i0 \, ~& P& A1 y0 kSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : U; _6 `1 r+ d- E& D6 @
Metal roof ??) R% x1 p$ J6 a' ?* @
what's going to happen in a hail storm, will it be very loud ???* h7 C3 {5 D( ^
Summer raining seas ...