本帖最后由 K歌 于 2014-6-7 12:15 编辑 % o& D. a) I) }0 c 9 Q9 d j0 z. W$ g3 A" g* J+ m- a被风掀下一块可以杀人于无形。风大的地区应该不好不适合。还有金属导热快,冬冷夏热是免不了的,夏天万一要上roof维修还有烫伤的危险,夏天摸摸你的车子。遇上雷电那就更过瘾了。& B P0 V4 z) E \0 h% M
Advantages( i* l7 E% B6 T! G, A8 i
Very durable in cold weather% F6 K6 [; U# k2 s' T% g
High percentage of recycled material and are 100% recyclable ' I$ `4 L' C* j; ^% C5 H! zDisadvantages ' q: c* V K0 oRusting (require maintenance to prevent corrosion) ) A/ K- G) a: K3 UCopper and lead roofs can be targeted by metal thieves 5 p* y8 O5 u4 I8 DHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure) J0 C9 _! @; [8 \. Y/ M: p- e Y5 m
Cellular and radio reception may be negatively impacted
Metal roof ?? . A3 d! G$ U4 ]6 H" O6 i& m0 Kwhat's going to happen in a hail storm, will it be very loud ???5 Z+ Z, `$ X' R" }
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 " ?7 E( p' k5 j, l- E7 YMetal roof ?? # F, z8 ^& g' s) l* xwhat's going to happen in a hail storm, will it be very loud ???0 h a2 a/ l6 H5 t
Summer raining seas ...