Advantages) q# m# L* D! @/ f2 G: {/ j
Very durable in cold weather9 H% r, p; T2 K# E: o0 R. X4 }
High percentage of recycled material and are 100% recyclable 1 H+ Y' H! g3 N6 uDisadvantages2 D8 @4 [0 _+ x- u
Rusting (require maintenance to prevent corrosion)1 k& g5 Y4 s- Y( t3 y2 I/ `
Copper and lead roofs can be targeted by metal thieves& F7 w8 c) }1 s7 ~
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 5 v; u, `8 p. u$ R8 K1 f+ [+ Y' U' vCellular and radio reception may be negatively impacted
Metal roof ?? , y5 h7 [5 ^, u& g. Rwhat's going to happen in a hail storm, will it be very loud ???2 P- D8 @) @0 S2 Y" U
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : J) g: L( O; I
Metal roof ??$ i' r' c. x- ~- y
what's going to happen in a hail storm, will it be very loud ??? # t6 e2 R/ i& q0 Y% F. qSummer raining seas ...
icing 发表于 2014-6-7 22:36 0 S t. @2 d: l6 R
Metal roof ?? y! o. r+ @# U8 o U2 lwhat's going to happen in a hail storm, will it be very loud ???* I4 K+ i0 c9 a' A& r/ s
Summer raining seas ...
& H% O, t9 n! p* C
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.