85639 2-1/2" OAK SEAM BINDER 36" | The 2-1/2 x 36 in unfinished hardwood seam binder easily covers a seam or gap between two flooring surfaces of equal height. Seam binders prevent carpet edges from fraying, vinyl floor seams from curling and creates a smooth transition between different flooring surfaces. Seam binders are easily secured to wood and concrete floors with provided screw nails. For installation on concrete floors use wooden pegs.