Advantages8 {- Q% M5 |6 K6 [
Very durable in cold weather 0 U. o5 u' }* g) j. }High percentage of recycled material and are 100% recyclable+ U. @' F0 E+ {7 `" r
Disadvantages . X& d5 g# B/ G( R6 ~Rusting (require maintenance to prevent corrosion) . {$ ]: H* m4 E6 UCopper and lead roofs can be targeted by metal thieves $ ~, V+ N) ~0 ]& _. tHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure & Z/ a' a6 p3 S+ q) FCellular and radio reception may be negatively impacted
Metal roof ?? _+ H, K0 H0 A/ U0 H1 N0 U# ywhat's going to happen in a hail storm, will it be very loud ??? ! G4 F* Z4 i4 fSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; f6 T+ i- q; Q7 w2 R/ Q" @4 W1 a
Metal roof ??4 b/ Z+ s. _3 j$ Z3 p" h8 O
what's going to happen in a hail storm, will it be very loud ???# T& |; F; t+ o @' ^+ r6 ^/ P" x
Summer raining seas ...