Advantages, H1 s' o0 v6 y8 ^. c
Very durable in cold weather" m# b+ x2 N- t
High percentage of recycled material and are 100% recyclable ! V+ S+ C. {9 n1 |Disadvantages+ F1 c- W5 f& L5 F9 X: E
Rusting (require maintenance to prevent corrosion) 5 y' f( p3 j. \" N) R; H$ H* ]Copper and lead roofs can be targeted by metal thieves6 ^; j4 L7 p+ M) \- J& f/ D3 g
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) ^; G+ G$ d; \: y- {. xCellular and radio reception may be negatively impacted
Metal roof ?? : R% P. _3 v2 ]; ywhat's going to happen in a hail storm, will it be very loud ???; S3 ~+ n+ `+ h
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 g4 O F3 D. R M8 i9 l0 S
Metal roof ?? 2 ?3 D- D( V7 Cwhat's going to happen in a hail storm, will it be very loud ???5 e: B2 e8 ?( g: T, s( b7 p+ B
Summer raining seas ...
icing 发表于 2014-6-7 22:36 0 \5 P4 z3 ]& c2 p9 mMetal roof ??" V: p* W1 q' A; c' C4 D3 G
what's going to happen in a hail storm, will it be very loud ???: A6 r [7 S6 ~, b/ {
Summer raining seas ...
2 A% [6 P$ V# q% T3 b4 |. o& vthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.