ULTRAFLEX 450 Drywall Corner Trim
Drywall Corner Trim Installation Tips and Instructions
| TIPS | |
|
|
| INSTALLATION INSTRUCTIONS | |
|
1. Open ULTRAFLEX™ 450 box and feed product through slot on side of box. Insert hook of tape measure into narrow slot to measure length of ULTRAFLEX™ needed. Cut to length with scissors.
|
![]() |
|
2. With 4-6” taping knife, apply All-Purpose drywall compound to corner and press ULTRAFLEX™ 450 into position. NOTE: The joint tape side (with the NO-COAT® logo) of the corner goes against the drywall.
|
![]() |
|
3. Remove excess mud with the same knife and let dry.
|
![]() |
|
4. Use a 6”-8” finishing knife to skim over corner; let dry. Sand and finish.
|
![]() |






