Advantages( Z) E1 ]5 n4 w/ B
Very durable in cold weather$ i, W/ A4 Q! N( R: j9 U6 `" I
High percentage of recycled material and are 100% recyclable - b" k9 l7 \* n0 F+ | y4 d' ADisadvantages6 v9 W) U. Y* `9 n) G; t
Rusting (require maintenance to prevent corrosion) : K1 n, C9 H* Y! Z- I( `* MCopper and lead roofs can be targeted by metal thieves . [6 v0 G3 O0 m t3 UHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! U& h8 T4 O7 S/ M$ R% SCellular and radio reception may be negatively impacted
Metal roof ??+ D7 j, M; S% D8 j+ T
what's going to happen in a hail storm, will it be very loud ??? / i2 f+ _$ k4 G2 \Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; X5 h0 B! O$ H) n+ g
Metal roof ??$ h9 h; K5 h# {
what's going to happen in a hail storm, will it be very loud ???- Q5 x- [8 q. J$ B9 O) N
Summer raining seas ...
icing 发表于 2014-6-7 22:36 `' v* l) \6 s d, P( o2 m
Metal roof ?? + B. X. i9 t1 X* Z# l" f% e7 |7 mwhat's going to happen in a hail storm, will it be very loud ???; z. j8 f) |' ^5 \( z/ M
Summer raining seas ...
. E& s. w" b; a$ o& x# Kthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.