Perforated Corner Bead nws yog los daws qhov kev ua neej nyob ntev ntawm lub tsev tsim kho ntawm lub ces kaum tsis ncaj, tsis sib luag, tsis zoo nkauj, yooj yim rau kev puas tsuaj thiab lwm yam teeb meem zoo thiab kev ywj pheej tshawb nrhiav thiab kev tsim kho.
Hlau Corner Bead yog siv los muab kev ua tiav zoo thiab kev tiv thaiv ntawm cov ces kaum ntawm phab ntsa qhuav.Cov khoom siv phab ntsa ntub dej no yog stapled, nailed screwed los yog clinched rau hauv qhov chaw.Flanges yog sib sib zog nqus perforated thiab knurled rau kev sib koom ua ke zoo heev adhesion.Nws yog suav hais tias yog cov khoom lag luam zoo tshaj plaws drywall xov kaum hlaws.Cov khoom no sib txuas cov txheej txheem tsim tshwj xeeb, nrog tshwj xeeb txhim kho galvanized steel los muab kev ua kom zoo ib yam, zoo kawg nkaus txhua lub sijhawm.