Advantages 3 V+ F; c0 {. CVery durable in cold weather) ?* b, ~8 A) U1 ?
High percentage of recycled material and are 100% recyclable 4 _( B( M2 q1 ]1 _% ?0 l9 ^Disadvantages8 A, t: p7 M, n+ ^! t2 F
Rusting (require maintenance to prevent corrosion)% M' D T- R4 A u
Copper and lead roofs can be targeted by metal thieves: f) l4 s4 _' ]; u' L
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 J$ S1 S! n( S/ ]3 d, z5 s Y/ uCellular and radio reception may be negatively impacted
Metal roof ?? 1 ?, h1 v$ n& [# o$ b9 [4 u1 e9 B0 hwhat's going to happen in a hail storm, will it be very loud ???3 B! T+ O0 b& j9 k! U: s
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 N0 d2 A( a6 L2 a
Metal roof ?? + d% u8 \0 q* L9 j0 X3 `what's going to happen in a hail storm, will it be very loud ??? 6 K E) E* l, X( n$ w2 JSummer raining seas ...
icing 发表于 2014-6-7 22:36 " ~ ]- Q `& s
Metal roof ?? : R- }, y( p+ c. e- @what's going to happen in a hail storm, will it be very loud ??? ! L6 _2 M$ ^4 l$ D% w9 p' NSummer raining seas ...
* G6 w9 F z# i5 E" Gthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.