If your paneling is tongue and groove place the groove.
How do you install plaster panels on wall.
Trim to fit step 5.
The typical method of installation is to press the panel to the wall using your hand or a towel.
Brush on pva glue to prepare the wall to hold the plaster.
Press each panel firmly into place.
Allow a 1 8 inch expansion gap in the corner.
Apply adhesive to the framing in a wavy pattern.
If the walls have no studs apply a panel adhesive to the back of the beadboard and to the wall.
Position the panel on the wall leaving a 1 4 inch space at the bottom and drive the four nails partway into the wall.
Place a wood panel against the wall in a corner with the base resting on top of the baseboard.
Press the panel back to the wall and it should hold very firmly.
Use masonry screws and a drill to apply one screw every 18 inches on top of the stud.
Masonry screws work best on plaster regular panel nails will not be able to penetrate the plaster.
Apply adhesive step 7.
Drive four finishing nails through the top edge of the panel.
Cut each sheet 1 4 inch shorter than the distance from the floor to the ceiling.
Then pull the panel away from the wall for about a minute to allow the glue to develop tackiness.
Cut openings step 6.
Roll or brush the pva over the entire wall aiming for total coverage.