Remove all fabric and cushions from old chair
Use old fabric and cushion to create a template
Trace and cut 1" foam to size of previous cushion. Be sure to use heavy duty fabric scissors to be able to cut through the foam
Spray with adhesive glue on one side and apply to chair seat base. Add staples using appropriate length staples to go through the foam to the chair seat base
Cut batting with at least a 2" over hang on all sides
Spray with adhesive glue on one side and apply to top of foam. Flip chair seat base over. Pulling tight on the batting, staple around the entire perimeter of the chair. Cut away any excess batting
Cut upholstery fabric at least a 2" over hang on all sides
Spray with adhesive glue on the wrong side of the fabric and apply to the top of the batting. Flip chair seat base over. Pulling tight on the fabric, staple around the entire perimeter of the chair. Cut away any excess fabric
Screw seat base back into chair frame