Now lay your tiles right next to the mason line.
How to measure a straight line on a floor.
Measure 12 inches in from one end of the wall.
With a laminate flooring wall not straight you ll need to measure the space between the two lines at one end of the room then at the other to determine how far out of square the walls are.
Measure layout lines from reference lines how to square for tiling tie a mason line to one screw and make a loop that pulls the line taut on the other end.
My brother has taught me not to measure from the floor up or from the ceiling down for the reasons cited above.
Reach out with your other hand and lift up the chalk line about 10 to 12 inches from the floor pulling straight up then release the line so it snaps down onto the floor creating a crisp straight line.
The chalk line when stretched between two points will snap a straight line.
If you want the rows of flooring to be square to the threshold going into the adjoining room then you do not want to measure from the wall to establish where to place the first courses of the flooring.
Mark your measurements at frequent intervals and use a long straightedge to draw lines or your pencil dots.
Using a tape measure.
Before you can begin nailing or gluing down the planks for your wood floor you must establish a straight line from wall to wall across the room.
If your measurement at one end of the room is 10 feet and your measurement at the other end is 10 feet 2 inches then the room is 2 inches out of square.
You can also use such measurements.
Check right angles with a square.
Put a screw on the floor on each end of a layout chalk line.
Pull the line very taut and the hold the line down on the mark with one hand.
Nothing is perfectly straight.