If the sides/wingtips of your unit raise off the ground they will need to be anchored to your floor. This is due to your floor being uneven across a portion of the installation. We recommend that you use strong, thin double sided tape (found at Lowes) to hold the wingtips down. GORILLA 1-in W x 5-ft Two-Sided Tape (Item # 747925 Model # 606501)
Cut the tape to a small, 1x2 inch square and slip it under each wing tip. Once secured this will solve the issue and will not affect the strength of the unit. When installing the tape, it may be necessary to remove the install screws that you anchored into the floor to allow for you to install the tape in the wing tips. Do not lift the wingtip aggressively or force it off the ground as this may bend the steel base plate creating additional issues. Once you have the tape installed it may be necessary to place a heavy object on the wingtip to allow the tape to cure for a period of time. Refasten the screws you used to secure the baseplate to the floor and reinstall the gate. If this step isn't taken, the wingtips could come into contact with the door during an opening sequence, causing damage, or preventing the door from opening.