Each bracket has 3 holes (two at the top, one at the bottom) and I'd like to align them to give me a proper horizontal (w.r.t. gravity) alignment. What's a reliable way to tell me where to drill? I only have a rather short level. The shelf (just a wood board) I'm trying to mount is approximately 4' long, the level I have is at most a foot long. In the past I've tried "extending" a level line by moving the level along but results have been... mixed.
2 Answers
A helper would really help with a 4’ board
- Screw one bracket into the wall (bottom hole only) 6” in from one edge where you would like the shelf
- Place the other bracket 6” in from the other end
- Place the shelf on the brackets and keep the brackets flat against the shelf
- With the level on the shelf, raise or lower the bracket to find level
- Screw in the second bracket in the bottom hole
- Screw in the other holes and attach to shelf (ensure the shelf is centered first).
- Maybe add a middle bracket, 3’ is a bit of a span depending on what you are putting in it
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1There's a middle bracket involved (3 brackets total). But yeah, that sounds like it makes sense. Commented Sep 9, 2019 at 23:28
With all due respect, get a 4' level... you'll use it for the rest of your life. They're 10 bucks at Home Depot.