Advantages& w8 v2 |9 o' q# P5 e* v6 }
Very durable in cold weather( C Y, f: ~6 @1 c
High percentage of recycled material and are 100% recyclable" ^ D/ |( A7 e, c: Y# d2 S
Disadvantages 0 s& I; D: \2 z5 mRusting (require maintenance to prevent corrosion) 5 y0 Q- [% |9 e, zCopper and lead roofs can be targeted by metal thieves. L$ p% {1 W, {+ }' y/ @: m
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure$ Y. q5 D a/ |% b* f' P; R4 W- S
Cellular and radio reception may be negatively impacted
Metal roof ?? - |# V0 b) T. Q( \% A( gwhat's going to happen in a hail storm, will it be very loud ??? 4 O& l6 c1 z7 F# j7 v0 b0 ^1 PSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 8 I: T P D! t# c) VMetal roof ??8 H0 M' I# u. V# \& M1 Z
what's going to happen in a hail storm, will it be very loud ???7 `+ a( s4 l) m3 M
Summer raining seas ...
icing 发表于 2014-6-7 22:36 7 |1 N/ j4 a. v
Metal roof ?? t# x3 m# s! p2 v' ~6 i9 |3 gwhat's going to happen in a hail storm, will it be very loud ??? 8 Z; r( q- l# {$ u* s U, Y: a( bSummer raining seas ...
2 q; e1 c. G$ p+ y, mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.