The single sided type generally works best for this type of repair peel the backing away from the adhesive side of the tape and carefully insert the piece into the cut out area smoothing it flat from below so that it sticks firmly to the carpet backing around the perimeter.
Diy carpet patch.
Because the donor area is filled in either with a piece of remnant carpet or is left unrepaired carpet patching is considered to be imperfect but a net overall improvement.
Because carpet fibers are inserted into the backing like hair combed in one direction rub your hand on the carpet to determine the direction of that nap.
If the patch is to be applied against a wall and the room has baseboard molding your two options are.
For the price of a patch kit some glue and a star roller about 30 total you can make an invisible repair that will last the life of the carpet.
Carpet patching is a simple system of carefully cutting out the damaged area and replacing it with a patch of donor carpet of the same size.
Spills cigarette burns and other mishaps can ruin a small area of wall to wall carpeting making it necessary to remove the section as a way to repair the damage.
Carpet tape is available in double sided and single sided versions.
A remove the baseboard and reinstall it after laying down the carpet patch or b leave the baseboard in place and install the tack strip 1 4 away from the baseboard as described in the next step.