Draw Straight Line On The Floor

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.

Draw straight line on the floor.

This video is about how to make a first straight lane during hardwood floor installation on concrete. If the wall is too long to snap the chalk easily kneel by the midpoint of the line and press it down to the floor with one hand. Place the level along the line. Snap the chalk line leaving a straight chalk mark on the subfloor.

Use a bubble level as you go to make sure the lines you re drawing are perfectly straight. If you re trying to paint along the line where your walls and ceiling meet you can skip this step. When any project calls for drawing a long straight line on a floor wall or similar flat surface a professional mechanic will use a chalk line. Pull the line very taut and the hold the line down on the mark with one hand.

If the bubble goes to the center of the level between the 2 black lines your line is straight. A chalk line can be as long as needed being.