Lay a piece of muslin cloth over the area you would like to cover. If you are reupholstering a piece of furniture, remove the old fabric by unhinging the staples with a flathead screwdriver or needle nose pliers. Your old fabric can be used as a pattern for your vinyl fabric.
Trace out the shape of the area you need to cover on the muslin cloth. Remove the cloth and fold in half vertically, checking for symmetry if applicable. Add one to two inches along all sides of your traced shape and cut out your pattern.
Pin your muslin pattern to your desired vinyl fabric. Trace along the outside of the muslin onto the vinyl and cut out your shape. Position your vinyl over the area you are going to recover.
Use a staple gun to staple your vinyl to the frame of your furniture. Pull your vinyl as taut as possible as you walk along the edge of your fabric and staple in place. Use a liberal amount of staples to secure your vinyl in place, otherwise it has the tendency to pull away as you staple the next section.
Apply low heat with a hairdryer to help walk your vinyl along curved edges. This will help mold the vinyl in place while avoiding any puckering in the fabric. If necessary, cut short slits in the fabric to fold your fabric onto itself for stapling.