Advantages 7 f! n# B! O" A) _- l/ bVery durable in cold weather: m' H" w9 y$ j$ s
High percentage of recycled material and are 100% recyclable ' V5 u' X, o* t4 g% N! k" eDisadvantages ) E1 d" i& P- v0 zRusting (require maintenance to prevent corrosion)0 X7 y5 B% E7 g" n1 u' w- b% }* X
Copper and lead roofs can be targeted by metal thieves 8 ?# M5 }+ b) o& R, V$ ]. [) yHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure2 j- ~& c4 p. E
Cellular and radio reception may be negatively impacted
Metal roof ?? % q$ s, L7 T$ P4 i$ y. _what's going to happen in a hail storm, will it be very loud ???, N5 d4 H% {4 r/ J
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 , u* k+ D- s# ~5 H: `Metal roof ?? / l; ~4 m6 r, Mwhat's going to happen in a hail storm, will it be very loud ??? q: n. X; C! A( T( wSummer raining seas ...
icing 发表于 2014-6-7 22:36 : w# w6 I. a" C0 E$ s& I
Metal roof ?? & Y. e! m6 v$ r# U4 j; Wwhat's going to happen in a hail storm, will it be very loud ??? " c/ o6 O! r& o9 \$ l4 K qSummer raining seas ...
, P4 G# Z% |0 n, `8 B- l. Q
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.