Advantages+ j, M n5 G% ?2 y, k+ z
Very durable in cold weather % F1 \9 v; f! \High percentage of recycled material and are 100% recyclable * q& y0 q8 P0 l3 U9 H+ pDisadvantages ; B* t0 p+ c1 L& [) @( kRusting (require maintenance to prevent corrosion). r( o# Q: y( {
Copper and lead roofs can be targeted by metal thieves " {3 Q; I' y- gHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" {! s1 o, H( F$ D. }' \% T" ~8 p
Cellular and radio reception may be negatively impacted
Metal roof ?? ! s$ }1 m; `, q- [, C f; @what's going to happen in a hail storm, will it be very loud ??? 4 V% V4 L' F: Y3 d" w+ d c" D0 X) FSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 / B: s7 l( N: `6 sMetal roof ?? ; W( Q6 [4 q. ^2 E# j5 Gwhat's going to happen in a hail storm, will it be very loud ??? ( U5 b- |+ v Z3 GSummer raining seas ...
5 g% d: d( `% Q1 Y& sthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.