Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to install wainscoting [title] Prepare the area for installation. [step] Remove existing baseboards, chair rails or skirt moldings. You should also remove outlet plates.

Ending1: [title] Apply a coat of clear foam to the exterior (manufactured liner panels are available at home improvement stores). [title] Open the door to the master bedroom. Ending2: Use a knife or cookie cutter to begin building the marquee or upper sill before you can begin to assemble the marquee or upper sill. [substeps] Measure approximately the perimeter of the marquee and locate the corners that reflect the projected projected course. Ending3: Protect the floor beneath you with floor tiles, carpet, permoccal plywood, easy to clean varnish etc. Cover the baseboards with clear plastic so that they have bare wood flooring underneath. Ending4: Measure the linear footage of the room or wall with a tape measure in order to determine the number of panels you will need to purchase. [substeps] Allow wood wainscot panels to acclimate in the room where they will be installed for at least 48 hours.

Answer format: ending1/ending2/ending3/ending4