Advantages ; l* e4 l+ N$ x* T) X' F- bVery durable in cold weather+ w1 y7 Z$ K( ^! V) X6 I( ?
High percentage of recycled material and are 100% recyclable 8 }9 Z+ @6 F* n6 p7 |$ q+ aDisadvantages9 c" n$ Z; M2 H+ j g) e/ Y
Rusting (require maintenance to prevent corrosion)# v3 ?0 c- ]; o
Copper and lead roofs can be targeted by metal thieves) S1 P' x' n) Z) G- j
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 0 t" \4 N6 u, wCellular and radio reception may be negatively impacted
Metal roof ??( r/ R7 \. X E9 i7 h; ?
what's going to happen in a hail storm, will it be very loud ??? 1 L4 r4 \& W/ X; I2 j- M% \Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 6 ^* h9 e! u& e+ s5 vMetal roof ?? : k s J. v9 T! M9 fwhat's going to happen in a hail storm, will it be very loud ???( `0 {/ g* Y5 @; b
Summer raining seas ...
* o# ^/ x; A6 ?% U J8 C# |
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.