MN73屋(wu)面(mian)(mian)系(xi)統采用(yong)360度直(zhi)立鎖邊技術，屋(wu)面(mian)(mian)板(ban)先在工(gong)(gong)廠預卷270度，再(zai)現(xian)場(chang)將屋(wu)面(mian)(mian)板(ban)和滑動支(zhi)座連接在一(yi)起，形成初步(bu)咬合(he)(he)自鎖270度，具有一(yi)定抗風(feng)能力，保(bao)證施工(gong)(gong)安全同時可(ke)(ke)(ke)以(yi)最大限度避免(mian)咬合(he)(he)過(guo)程中鍍(du)層(ceng)及烤(kao)漆層(ceng)龜裂。美耐(nai)建(jian)筑的直(zhi)立鎖邊技術可(ke)(ke)(ke)以(yi)確保(bao)卷邊的緊實，防止雨(yu)水進入，又不會(hui)破壞鍍(du)層(ceng)，并且在卷邊內有工(gong)(gong)廠預置膠，可(ke)(ke)(ke)以(yi)幫助杜(du)絕毛細滲水，形成牢固的水防線。
