Advantages* X# o) O% n" D; c% a; Z4 w
Very durable in cold weather 1 s& H8 B( w' @' s9 r/ qHigh percentage of recycled material and are 100% recyclable8 E2 y; r( ~- r4 Q9 U" c% E
Disadvantages5 L: O3 g3 ~# W1 g5 \0 N1 X0 P
Rusting (require maintenance to prevent corrosion)4 g6 Z" m4 `$ n& e5 Q/ e' o4 |
Copper and lead roofs can be targeted by metal thieves& N. B9 T9 i* p$ q
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure7 ^! {" a! x1 x( u+ F$ @# Z* v- k+ @
Cellular and radio reception may be negatively impacted
Metal roof ?? . g, _/ h( D1 Fwhat's going to happen in a hail storm, will it be very loud ??? - |! o3 s& g* F1 H+ s" |Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 U( X2 \3 M: N6 y) \/ Z
Metal roof ?? W/ m7 N. N* Q. x+ M! j( M' w
what's going to happen in a hail storm, will it be very loud ???2 a. `& S, Q7 G% h
Summer raining seas ...
icing 发表于 2014-6-7 22:36 $ d6 L3 T5 D* N7 C' J
Metal roof ?? # ~# N7 P% S# i8 p* Kwhat's going to happen in a hail storm, will it be very loud ??? 2 `% u( y+ Z) A& E7 g' DSummer raining seas ...
5 b) K1 P- ~: cthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.