Clear the room of furniture and remove baseboard trim if needed
Check for loose tack strips, damaged padding, or carpet seams before stretching
Use a knee kicker to move the carpet into position near the walls
Use a power stretcher to stretch the carpet from wall to wall
Hook the stretcher head into the carpet and brace the base against the opposite wall
Extend the stretcher slowly to remove wrinkles and slack
Reposition and repeat in sections until the carpet is tight
Press the carpet firmly onto the tack strips along the edges
Trim excess carpet with a carpet knife
Tuck the edges under the baseboard or into the gap with a stair tool or carpet tucker
Reinstall baseboard trim if removed
Check the entire room for remaining ripples and restretch if necessary