Fold the sides of the cover over the board and cushion keeping them as close to the center of the board as possible.

Select a side to start on.

With the staple gun, staple the end of the cushion cover you are holding into the board.

Rotate the board and staple down the other side.

Continue to staple down the sides, placing staples about 1 inch apart.

Fold the corners in and staple them onto the board.