Advantages ; j; U' l5 A% h+ TVery durable in cold weather6 z3 ~2 f( y y4 x
High percentage of recycled material and are 100% recyclable * y$ j* z2 T* a1 iDisadvantages & d5 W) p% R+ F V3 KRusting (require maintenance to prevent corrosion)1 @' x' h/ y) k6 f
Copper and lead roofs can be targeted by metal thieves 5 W# p, t, f$ p4 mHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure/ }; i9 @4 Y3 S) X
Cellular and radio reception may be negatively impacted
Metal roof ??+ X5 D& G/ V( v
what's going to happen in a hail storm, will it be very loud ???" E. H5 A0 g7 L2 k! K+ J. W
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 C0 j" x) F5 F
Metal roof ??7 r& C( c4 U$ I4 B8 r
what's going to happen in a hail storm, will it be very loud ???+ q$ |$ U8 k: v1 b7 I9 j
Summer raining seas ...