Install Carpet Without Tack Strips
Leave a inch between the back of the tack strip and the walls and inch between the back of the tack strip and the entry way of the room where the carpet will stop and a threshold or strip of plastic or metal will be placed.
Install carpet without tack strips. Position the strips with the tack points facing the wall. Next unroll the carpet padding from one side of the room to the other and slice it off with a box cutter. Stretch in carpet installation is the most popular installation methods in homes. Tack strips are strips of wood with sharp pointed tacks.
Install the tackless strips along the edges of the area you are carpeting. A small amount of glue at the top and base of each stair can keep it in place. In this installation strips of wood called tackless strip are nailed or sometimes glued to the floor around the edges of the room. Without nailing in tack strips i would glue down in order to prevent wrinkles.
To install carpet start by nailing the tack strips to the floor using 2 nails for each strip. These strips have hundreds of nails that are angled in towards the wall. Install carpet without tack strips small tension rods attached at the base of each stair can be placed to tighten carpet that runs the entire length of the stairs. They are attached to the subfloor around the perimeter of the room to provide the anchor point for the edges of the carpeting to be gripped.
I was installing new carpet at our old house and many of the nails on the tack strip came off because the concrete chipped away over the years and it left some dents or holes on the floor. This shows the proper tack strip placement to get long lasting and beautiful results out of your carpet install. Install tack strips around door frames but not across the threshold to prevent stepping on the sharp points. These will grip the carpet backing and hold it in place.
Another alternative is to carpet each stair individually where the foot lands. Padding is secured to the floor in the middle of the room. Keep a space equal to about two thirds the thickness of the carpet between the walls and the tack strips using a scrap piece of carpet as a guide.