Advantages* d2 W, ?3 U9 r* o: t% g T' ^
Very durable in cold weather 9 I% l1 q. r. i/ d+ @/ dHigh percentage of recycled material and are 100% recyclable ; v# P: V6 j! ]& fDisadvantages * [" J& z/ I4 p2 j1 J `Rusting (require maintenance to prevent corrosion)+ Z" z9 a) [0 U8 n
Copper and lead roofs can be targeted by metal thieves 1 Z. [: G5 g/ AHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure# H1 p, J6 `. F3 F7 `, A
Cellular and radio reception may be negatively impacted
Metal roof ?? 3 `3 r4 P" \( U" h9 j2 g7 vwhat's going to happen in a hail storm, will it be very loud ???/ L# e( b" J; B& K
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ( W/ W4 V) m3 U$ H; ^1 pMetal roof ??, P: g% o2 z/ i
what's going to happen in a hail storm, will it be very loud ???" p" A+ @: k& U
Summer raining seas ...
icing 发表于 2014-6-7 22:36 D8 o/ Y, |% W' I* R% I( M
Metal roof ??. T" Z! z# ^, g; G. O# ~" r ?6 i
what's going to happen in a hail storm, will it be very loud ???9 y' [! [4 a5 T, E, q1 I
Summer raining seas ...
" L- y9 b- A, `/ jthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.