Advantages0 f- d- Q. z+ B7 P# M
Very durable in cold weather6 g8 C/ E# y+ U- L3 p H8 A
High percentage of recycled material and are 100% recyclable+ c4 | p9 z4 _" u* B
Disadvantages 9 a" U7 y0 ~. lRusting (require maintenance to prevent corrosion)' g% Z- \0 b1 L2 V
Copper and lead roofs can be targeted by metal thieves $ Q4 | L$ V3 P0 mHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. V( E6 r0 A+ @" ?$ \
Cellular and radio reception may be negatively impacted
Metal roof ?? $ g2 Y) H1 E) m& i9 F1 S% U$ bwhat's going to happen in a hail storm, will it be very loud ??? % I7 M! D! n3 t2 R+ A2 n1 |Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 % B8 y; Q4 C. F5 ~/ dMetal roof ??1 c6 |) A2 N# A: E; R+ u7 P
what's going to happen in a hail storm, will it be very loud ???6 b% J7 v% H% u
Summer raining seas ...
icing 发表于 2014-6-7 22:36 9 X. |! y9 x) Q/ v4 ~$ F
Metal roof ??' m* R. i* [& k9 K$ l i
what's going to happen in a hail storm, will it be very loud ??? - r1 b: `! r1 ^ L! c; x, t" GSummer raining seas ...
2 V0 |+ V' e' Y! K# b. v( ^
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.