Advantages ! {: u! q9 Q: [6 m4 O6 z$ ]5 FVery durable in cold weather( ^5 I* ^2 u% Y8 M
High percentage of recycled material and are 100% recyclable, {& ?" K" R: t6 Z
Disadvantages 1 x9 r5 W9 c& ORusting (require maintenance to prevent corrosion)% K3 }7 c3 G5 f9 U! L! Z
Copper and lead roofs can be targeted by metal thieves2 G4 X" p7 I$ a( _2 Q- F8 H4 ^0 G
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ; X( E- {! l- \0 tCellular and radio reception may be negatively impacted
Metal roof ?? " \' S5 W) c+ p7 S, H. ^9 Bwhat's going to happen in a hail storm, will it be very loud ??? # n# r- i3 s" b" m0 R6 k JSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ! _/ B# I; ^( i! }2 k0 j
Metal roof ??4 [& Z6 Y5 |1 {* B- H" l
what's going to happen in a hail storm, will it be very loud ??? 7 h" a# t% ^, {Summer raining seas ...
icing 发表于 2014-6-7 22:36 ! A8 t8 E; m" p, D# J0 w* A+ |
Metal roof ??7 t( W7 W. b! G* H: w9 n/ O! }
what's going to happen in a hail storm, will it be very loud ???3 R+ _8 a$ g, a5 t# A$ K/ d; i
Summer raining seas ...
. i3 S$ T# [/ [( _; n t6 e) g
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.