Advantages & B" E5 B' c/ j z' pVery durable in cold weather, \" r, r v; O; H c. J
High percentage of recycled material and are 100% recyclable X# J/ G; s& u. p3 C4 cDisadvantages) ^; R- o7 t* B* q# ~ y, U$ o$ `
Rusting (require maintenance to prevent corrosion) # ^' U" p$ T* HCopper and lead roofs can be targeted by metal thieves2 h& ?/ J( }0 _- [
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure, I" Y; f i0 `5 [
Cellular and radio reception may be negatively impacted
Metal roof ?? " ~( Z; n, X2 U3 m$ T7 Jwhat's going to happen in a hail storm, will it be very loud ???: r! J$ `+ Y6 |; h% h3 u
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 3 g* C7 }* r2 C; u4 sMetal roof ??" E' }6 W3 d- }1 i, p9 \
what's going to happen in a hail storm, will it be very loud ???/ i: Y7 b2 {) W) K0 C: t' Q
Summer raining seas ...
5 @2 F- [# t" ^! {! B xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.