Advantages4 h) B- D: j! M' E h# V) X
Very durable in cold weather" @! L) K+ G; H5 _+ w1 i) _4 u
High percentage of recycled material and are 100% recyclable1 u' l3 H4 P; w( `! s$ a; f$ o4 @$ O
Disadvantages 6 q6 y' l' D/ J4 uRusting (require maintenance to prevent corrosion) 9 e% A4 R: a, H( h- [Copper and lead roofs can be targeted by metal thieves T, z& e! z$ Y+ G3 U- I- t6 u k0 A
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : y* E( ^0 E8 e$ V7 b. w/ G( qCellular and radio reception may be negatively impacted
Metal roof ??+ g8 [9 H! w/ T% w* T" K6 |6 \
what's going to happen in a hail storm, will it be very loud ??? j' }8 `0 f& K4 x" FSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 % l ?, z0 B. |. {' gMetal roof ??( S5 W9 a9 }% W5 A/ j
what's going to happen in a hail storm, will it be very loud ??? 1 Z+ X t+ g- r7 kSummer 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.