Advantages 0 m, {' w9 s. SVery durable in cold weather ; A& L8 o$ r7 t4 [High percentage of recycled material and are 100% recyclable0 U1 f/ c+ ?& Y" T2 H6 Z2 `
Disadvantages " ]* P' _! [; @8 ?# W: Y# PRusting (require maintenance to prevent corrosion)7 ] _; @9 f# ]. C( b( w& |
Copper and lead roofs can be targeted by metal thieves; b, u; o: L3 E- S
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure6 V" z# v# Y3 x I( q
Cellular and radio reception may be negatively impacted
Metal roof ??4 e! k. z5 c) e2 k% l6 }4 a( `. `
what's going to happen in a hail storm, will it be very loud ???; ]4 F/ d: R, q' `
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 a8 E2 ~6 B G1 R5 TMetal roof ??2 y' K5 I; R, E$ @+ B+ S
what's going to happen in a hail storm, will it be very loud ??? 6 e9 ~( a; C) T$ f' Z7 HSummer raining seas ...
icing 发表于 2014-6-7 22:36 - w" W8 P* n! f+ yMetal roof ??+ Q S6 v6 z! M' j' c) J( A$ l
what's going to happen in a hail storm, will it be very loud ???3 a+ q7 `+ c( M8 H) @
Summer raining seas ...
1 p H4 i& ]! E2 [9 ~
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.