Advantages 7 \4 \) t; G6 f5 U: w/ i( P* JVery durable in cold weather 5 m1 G8 ]7 P( h: a' PHigh percentage of recycled material and are 100% recyclable* z( n5 k* v) d: I; F9 X7 u
Disadvantages* x9 P: H' S2 C
Rusting (require maintenance to prevent corrosion)0 w/ {8 U; v2 U" \- e
Copper and lead roofs can be targeted by metal thieves: W' P6 T! a) M( }+ d
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure " b& L6 k8 E @Cellular and radio reception may be negatively impacted
Metal roof ?? 7 ~* B u* |, v* |. r$ Bwhat's going to happen in a hail storm, will it be very loud ???/ t4 e. f3 [; F
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 8 i% i% G/ E7 q! N K$ fMetal roof ??* J$ N4 m. b7 x2 N
what's going to happen in a hail storm, will it be very loud ???9 |! o. i# s# @6 W+ r" e" _
Summer raining seas ...
icing 发表于 2014-6-7 22:36 1 b& M; \; e: i) X
Metal roof ?? % `* T% \( O, E! F0 pwhat's going to happen in a hail storm, will it be very loud ???- i% z5 Z3 l+ `, ~ s2 E
Summer raining seas ...
9 j: \. z+ N2 w& A5 P8 Pthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.