Tack Strip
A carpet tack strip is a thin strip of wood studded with sharp pins/nails, or tacks.
It is used to hold carpet in place along edges. Carpet tack strips are typically installed by nailing them to the floor/landing. The carpet is then stretched over the tack strip and held in place by the pins.
In most cases a stair runner installed using a continuous length of material (using a carpet tacker/staple method and kicker) does not require tack strip(s) – however, it is needed when there is a break in the material. This is most often where a landing meets an upper section of stairs. A tack trip can be a useful device to create tension on the runner if you are unable to achieve that tension in anoher way.
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