Advantages k8 W; u3 [. n1 c
Very durable in cold weather 8 ~3 f) {2 s2 ]- f6 Y$ Z2 X3 z% m6 {7 rHigh percentage of recycled material and are 100% recyclable # M5 B/ a* L2 l! kDisadvantages 0 X% i# R0 R% T7 \! LRusting (require maintenance to prevent corrosion) % X {( \/ a% u. w3 \0 {Copper and lead roofs can be targeted by metal thieves : Y9 f3 l3 I# K3 R) l" `6 qHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. G# n- {2 Y Q5 i P n n
Cellular and radio reception may be negatively impacted
Metal roof ?? , a+ C. N5 ^* M$ _, jwhat's going to happen in a hail storm, will it be very loud ??? q% K8 m6 `! g" z9 N9 J3 l' Y$ rSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 m) h2 _+ v+ N2 GMetal roof ??6 o4 r- \7 v; P: f9 |
what's going to happen in a hail storm, will it be very loud ??? M; K- [" V' o/ Q: r6 [( l
Summer raining seas ...
icing 发表于 2014-6-7 22:36 # \: e. V, x) d5 C, }4 K
Metal roof ?? # q- S e5 i8 X+ Jwhat's going to happen in a hail storm, will it be very loud ???- ` H% l) b5 ?6 s( I
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.