MN73屋面(mian)系統采(cai)用360度直(zhi)立(li)鎖(suo)邊(bian)(bian)技術，屋面(mian)板(ban)(ban)先(xian)在(zai)工(gong)(gong)廠預卷(juan)270度，再現場將(jiang)屋面(mian)板(ban)(ban)和滑動支座(zuo)連接在(zai)一起，形成(cheng)初(chu)步咬合自鎖(suo)270度，具有一定抗(kang)風能力，保(bao)證施工(gong)(gong)安(an)全同時(shi)可(ke)以(yi)最大限度避免咬合過程中鍍層(ceng)及(ji)烤漆層(ceng)龜裂。美耐建筑的(de)直(zhi)立(li)鎖(suo)邊(bian)(bian)技術可(ke)以(yi)確(que)保(bao)卷(juan)邊(bian)(bian)的(de)緊實，防(fang)(fang)止雨(yu)水進(jin)入，又(you)不會破壞(huai)鍍層(ceng)，并且在(zai)卷(juan)邊(bian)(bian)內有工(gong)(gong)廠預置膠(jiao)，可(ke)以(yi)幫助杜絕(jue)毛(mao)細(xi)滲水，形成(cheng)牢固的(de)水防(fang)(fang)線。
