WHAT TO DO IF CARPET TILES AREN'T PEEL AND STICK

Tiles for commercial installations don’t have peel-and-stick backing and require a coat of mastic on the floor instead. 

Trowel adhesive onto the floor using a trowel with the notch size specified by the manufacturer. Notch size controls the amount of adhesive you apply. 

Spread the adhesive in one of the quadrants created by the layout lines. Start applying mastic at the wall and work your way back to the center of the room. 

Let the adhesive dry as recommended by the manufacturer. Tiles set in the adhesive too soon will be impossible to remove if you ever decide to redo the floor.