Advantages7 r: x" U. x. Z3 Q; }* E1 a) r! _
Very durable in cold weather 4 P* r2 r1 V( t2 Y9 q4 mHigh percentage of recycled material and are 100% recyclable0 t/ I# n/ r0 E; O) T
Disadvantages% T$ ?2 U/ `& R; J# a
Rusting (require maintenance to prevent corrosion) z8 S. U7 x! g( u- X: `6 { ]
Copper and lead roofs can be targeted by metal thieves" G6 O! _* W: \, b5 R
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure " G, f W0 H- m# Z; D" S- DCellular and radio reception may be negatively impacted
Metal roof ??0 P- C5 z8 J: q$ V9 X4 s
what's going to happen in a hail storm, will it be very loud ??? ) S7 {( F% p2 ]0 `2 vSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; Y: F* X$ ^4 B% J2 O+ g
Metal roof ??8 a" z3 Y8 i a$ }
what's going to happen in a hail storm, will it be very loud ??? & L) H3 P8 w7 E! pSummer raining seas ...
icing 发表于 2014-6-7 22:36 & n5 a8 {2 L6 ?$ E- C2 JMetal roof ??4 f: k. y* }8 h& Q6 w
what's going to happen in a hail storm, will it be very loud ???6 |# g5 I: W* b7 G+ d) \
Summer raining seas ...
: [* Z$ E) J1 r) S# z6 Nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.