Advantages ( w, N* k4 W: Q& g ]! xVery durable in cold weather 4 `6 h k; M: B6 B, v" X$ c& I5 f% \High percentage of recycled material and are 100% recyclable 8 k4 t( @- M7 m- R& ^# kDisadvantages 8 L R4 V1 P; i4 h5 GRusting (require maintenance to prevent corrosion)0 Z) \* y( n, X# Y3 k
Copper and lead roofs can be targeted by metal thieves% }# B& Z8 [- I I+ ~$ Z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure . a- A" y0 w b; q! c; o1 y( vCellular and radio reception may be negatively impacted
Metal roof ??9 `. ~8 V# {7 d0 ] P; O
what's going to happen in a hail storm, will it be very loud ???7 o" K) X# `" O; n
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' L! J2 y! s1 k9 S5 t/ j
Metal roof ?? k7 N; J5 t! j: P
what's going to happen in a hail storm, will it be very loud ??? $ {* Z) c4 Q6 I+ {& TSummer raining seas ...
icing 发表于 2014-6-7 22:36 1 R4 C, _7 {7 j8 iMetal roof ??5 c) M: s5 D7 ]9 y
what's going to happen in a hail storm, will it be very loud ???' y: i$ ?+ u0 g) M
Summer raining seas ...
) }) \7 ~4 N% z4 ^that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.