To avoid these ads, REGISTER NOW!

Flat panel LED mounting in open ceiling (I-joists)

blueplate

Member
Joined
Dec 18, 2010
Messages
24
Looking at the "Best light fixture ever" thread, I want to upgrade the lighting in a basement storage room so it can become a project space. The ceiling is 9' with open I-joists (engineered joists).

It looks like 1x4 Flat Panels are the way to go. Two questions:

Is there any reason why I need to have a mounting kit?


The mounting kit is crazy expensive for a $35 light fixture. I'm thinking of just putting a poplar or pine 2x3 (or 1x3) across the joists like this:

U4Kmd9N.png

Image copied with pride from Home Improvement Stack Exchange

Looking across the stud bay, I'd just add a stopper block to each of the 2x3s, like so.

F8xYEx4.png

Cross section view looking across

This could easily be held together with a couple of screws (as shown) or pocket-hole screws. Is that the way to go? It's an unfinished space, the appearance should be "good enough".

How precise does the ceiling box placement need to be for these things?



I know that I need a ceiling box that's made for a joist cavity, like this:

fzOtFiH.jpg


The length of the legs is adjustable.

So I just screw the blocks in place, place the LED panel in place on them, and then "dry fit" where the box should go? Adjust the box left-to-right, up-down, mark it, take the panel down and then screw it in . . . . right?
 
Last edited:
To avoid these ads, REGISTER NOW!

cybrdyke

Well-known member
Joined
Sep 9, 2014
Messages
3,470
Location
USA
Most panels have a driver mounted on the back. A portion of the driver box will open so that you can make your electrical connections in there. Flat panels do not attach to electrical boxes like traditional fixtures. If you're running romex from somewhere, then you wont need ceiling boxes. Just run the romex right into the driver on the back of the panel.
As for mounting, why not just hang it with aircraft cables? Google: Gripple
Good luck,
CD
 
To avoid these ads, REGISTER NOW!
OP
B

blueplate

Member
Joined
Dec 18, 2010
Messages
24
Whoa, thanks CD, I forgot about that option: no outlet box required for these. That certainly will save time.

Will look into the Gripple option -- I recently suspended an Aprilaire Dehumidifier from the same ceiling and that was what their mounting kit used. Pretty slick. Tnx again.
 
To avoid these ads, REGISTER NOW!
Top Bottom