Make sure both ends of your line are held up to the wall in the right locations.
How to make a chalk line for flooring.
Extend the chalk line to the center mark at the opposite end of the room.
It doesn t matter if the wall isn t straight they rarely are.
What matters is the flooring being straight.
A chalk line is a very handy piece of kit when marking out on flat surfaces you can pick up a chalk line for less than 5 from most tool shops etc.
The chalk line tools itself is a highly versatile tool and can be used to mark a perfectly straight line on pretty much all surfaces for pretty much any job that needs a straight line to follow e g.
Snap the chalk line leaving a straight chalk mark on the subfloor.
Once they re in place you can complete the process by snapping the line.
Snap the chalk line.
Line up the front part of the tongue to the line and your row will be straight.
Pop the chalk line on either side of your finger without moving the middle position of the line.
Hook your chalk line over the nail and run the line out to the other end s mark.
Draw the middle of the line away from the wall about an inch and let go.
Use your finger to hold the line down in the middle of the run.
This will snap the taut line against the wall leaving a chalk marking.
Stretch the line to the far end of the course and put it right on the corner of the end of the last piece on the side closest to the wall.
With your other hand lift the line on one side of your finger about 4 inches above the floor and then release it.
Pull the line very taut and the hold the line down on the mark with one hand.
Press the chalk line down with one finger in approximately the middle of the room.
Set your chalk line on the 1 inch mark at the end of the final board.
Laying both floor and wall tiles roofing work wallpapering and more.
Hold or secure the chalk line at the end point of the line.