Advantages9 r! C6 k% c' |$ M$ K! n
Very durable in cold weather+ Y2 S1 J: \8 A4 n. M
High percentage of recycled material and are 100% recyclable, x8 ]! w+ F3 L& G, v! V4 F' V
Disadvantages m& V. R1 ^; H! J9 D
Rusting (require maintenance to prevent corrosion) , q4 e& R# [5 @) l4 y) B# VCopper and lead roofs can be targeted by metal thieves ( V7 E/ j) Q$ t- |" @' b QHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! c2 @4 p% W' |' i$ g& ^2 dCellular and radio reception may be negatively impacted
Metal roof ??, B6 E; ?; B. ^4 k4 G
what's going to happen in a hail storm, will it be very loud ??? , `+ q, K% Q" ?Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 m0 h, i* x7 R3 ?0 ]: vMetal roof ??3 _: I( h& F& Q" j7 ^
what's going to happen in a hail storm, will it be very loud ???; z0 k5 w; y, |) z( K' [7 s
Summer raining seas ...
icing 发表于 2014-6-7 22:36 - Y. G1 ~+ {1 EMetal roof ??" r. `! g6 o, i# b
what's going to happen in a hail storm, will it be very loud ??? * W: R9 t9 I, p; H( o, v iSummer raining seas ...
" U( u9 W9 F; ~8 w8 p/ b* Y7 Gthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.