Uploaded June 2026 | Updated September 2026, 1 week ago
How to set a grade with a rotary laser level — for plumbing, earthmoving, and drainage. Understanding slopes and falls, single & dual grades.
Grades explained in 30s.
So this is an X positive grade on this laser, with the X arrow aiming uphill.
And now this is an X negative grade, with the x arrow aiming downhill.
Now we've got a y positive grade, with the y axis aiming uphill.
And finally a y negative grade, with the y axis aiming downhill.
Setting a grade is all about perspective.
What axis, and what direction are we falling?
Do you need a Single Grade or Dual Grade? Comment Below!
RedBack Lasers - Grade Lasers Range
https://www.redbacklasers.com.au/grade-lasers/
#settingagraderotatinglaser #slopesettinglaserlevel #plumbersgrade #earthmoversgrade
How to set a grade with a rotary laser level — for plumbing, earthmoving, and drainage. Understanding slopes and falls, single & dual grades.
Grades explained in 30s.
So this is an X positive grade on this laser, with the X arrow aiming uphill.
And now this is an X negative grade, with the x arrow aiming downhill.
Now we've got a y positive grade, with the y axis aiming uphill.
And finally a y negative grade, with the y axis aiming downhill.
Setting a grade is all about perspective.
What axis, and what direction are we falling?
Do you need a Single Grade or Dual Grade? Comment Below!
RedBack Lasers - Grade Lasers Range
https://www.redbacklasers.com.au/grade-lasers/
#settingagraderotatinglaser #slopesettinglaserlevel #plumbersgrade #earthmoversgrade
