Advantages ' a% @' ], G' ` ? SVery durable in cold weather: d3 A$ ]4 u% p4 J2 y6 F
High percentage of recycled material and are 100% recyclable3 e2 E- g, c- A1 {( s
Disadvantages T& o3 b, i& I& X/ z
Rusting (require maintenance to prevent corrosion) 3 O1 W2 W- d4 P: x9 o7 [Copper and lead roofs can be targeted by metal thieves % q" [5 k2 M3 z7 z; f, g8 }High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure5 Y( z) i& D; e) ~ |3 c
Cellular and radio reception may be negatively impacted
Metal roof ??7 f" _' i$ I% E/ l$ G8 o
what's going to happen in a hail storm, will it be very loud ??? z& B% \% x* w8 d; \5 x* B7 y
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 # {; C' A. g1 j; `$ ~% f5 a
Metal roof ?? . J7 {/ M# o9 \; _- A! q5 kwhat's going to happen in a hail storm, will it be very loud ???2 W# H% H( I2 g# G
Summer raining seas ...
icing 发表于 2014-6-7 22:36 8 r* K# N3 y* i e9 q4 A- Q4 MMetal roof ??9 U& I4 h5 B5 X, h- H
what's going to happen in a hail storm, will it be very loud ??? " U, t Z: v" h8 o/ }Summer raining seas ...
: N( M" u$ m/ D9 g! L6 athat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.