Advantages, N9 o. i4 u7 d! Q5 S/ x/ G
Very durable in cold weather . T% R; E9 R3 ?3 W4 I, VHigh percentage of recycled material and are 100% recyclable) t8 T7 I; R! Q9 M
Disadvantages . o9 p' J7 t4 d4 L, MRusting (require maintenance to prevent corrosion) \! g" \2 k/ ^( rCopper and lead roofs can be targeted by metal thieves & E+ X4 |! Q3 Z/ E8 w @High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 9 { _- s: M3 g, G6 f9 c) J; VCellular and radio reception may be negatively impacted
Metal roof ??! O+ M' M- f) m9 m0 {: p$ r
what's going to happen in a hail storm, will it be very loud ???" E' y2 w5 s2 R1 {
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 F% c- T' c% [+ P% v; L
Metal roof ??1 j j/ y; O3 @& s3 Y
what's going to happen in a hail storm, will it be very loud ???! Z" c* }, x/ B$ h; d3 k
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ( p5 X7 I( s7 Y" ]$ Z$ B
Metal roof ??. v: p6 a. p2 c
what's going to happen in a hail storm, will it be very loud ??? t8 W: ]5 ~ H
Summer raining seas ...
0 p S* g* _: F+ |) nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.