Abstract: A pivoting force arm at one end presses against a vinyl baseboard. Various wall contours are addressed through various interchangeable wall heads which alternatively press against a straight wall portion, or inside or outside corner. The other end presses against flooring. Depending upon whether the flooring is smooth or carpeted, the appropriate head for engaging with the flooring will also be selected from two interchangeable heads. One head is designed for a smooth floor and the other for carpeting. The clamp allows vinyl base to be installed with adhesive, without the vinyl loosening or separating from the wall while the adhesive sets.