Advantages) q5 X+ c p! Q+ Z# |7 Y' H) p' z2 f
Very durable in cold weather 4 w7 q. {- _9 E3 U* THigh percentage of recycled material and are 100% recyclable: U( z' ?1 V' {9 Y+ b' T$ D# N
Disadvantages , l3 i. x+ j3 U, j0 t% K& i- IRusting (require maintenance to prevent corrosion)% W3 ~) ]9 A' Y( z# m
Copper and lead roofs can be targeted by metal thieves ( ~; C* R9 X9 l% C W! P+ NHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 1 j9 m9 n; ~6 h6 p, `8 DCellular and radio reception may be negatively impacted
Metal roof ?? . D3 ~4 t8 |/ A$ X0 t( X% Ewhat's going to happen in a hail storm, will it be very loud ??? * ^8 k7 U: y$ j+ b, LSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - k4 y b4 M- v% ]
Metal roof ??% i- }3 m) Z. q
what's going to happen in a hail storm, will it be very loud ???+ t; `! g- g( H6 ^
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 l" A! h; O _# v& H
Metal roof ??# O+ `5 V2 m- Y
what's going to happen in a hail storm, will it be very loud ???5 d( o9 c/ ]* I& i4 \ _0 v$ r: \3 \
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.