Advantages ; K W, F4 t# O" z0 H SVery durable in cold weather + p0 s$ F% F( c; v, n L+ W+ z" O3 WHigh percentage of recycled material and are 100% recyclable ; b9 K! Y+ L1 SDisadvantages 2 J5 E4 s* J+ ^/ NRusting (require maintenance to prevent corrosion)! l% e; |, v& P7 C
Copper and lead roofs can be targeted by metal thieves/ K2 k E2 A+ E
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure9 M6 P( [% @. S6 o, o- o: f0 }
Cellular and radio reception may be negatively impacted
Metal roof ?? - n& n' c8 M* ewhat's going to happen in a hail storm, will it be very loud ???: }, Z. l, j. ], D! h3 U& n# h1 q6 Q
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 5 z/ F% E+ `& Q, ^
Metal roof ?? - U- Q" p7 z- z7 ^' L! cwhat's going to happen in a hail storm, will it be very loud ??? 2 D# s" D4 J. Y( ?3 b/ U0 V7 aSummer raining seas ...
9 y9 B. U7 I5 ` p. c2 C% u
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.