Advantages 7 `. k- x" b' \4 W mVery durable in cold weather 5 U, G6 P! {! h# E7 D7 lHigh percentage of recycled material and are 100% recyclable" ~4 y' W- F+ G) t1 b* Y
Disadvantages! |7 x9 X% k& r( n
Rusting (require maintenance to prevent corrosion)! y& p. M2 R' {$ h2 }
Copper and lead roofs can be targeted by metal thieves , U: U$ O/ c/ ?9 cHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 e3 U- q: U5 p/ w/ x1 ^8 mCellular and radio reception may be negatively impacted
Metal roof ?? : B. k6 Z# s6 S# V' Swhat's going to happen in a hail storm, will it be very loud ??? v' p# I7 B; U9 U7 y: c6 W
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , [, |3 l( p8 h0 Y4 P7 w9 e
Metal roof ??1 }" X6 o- f* ~& N& M8 k- B, O; v
what's going to happen in a hail storm, will it be very loud ??? U7 F* G; z* r9 q$ ^, l( tSummer raining seas ...