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Started By
Message
Looking for ideas on how to mount TV to Steel beam
Posted on 2/8/26 at 6:15 pm
Posted on 2/8/26 at 6:15 pm
I’m trying to hang a tv under my pavilion without drilling into the galvanized. I’ve read that some people use Beam clamps + unistrut but no idea where to start on supplies for that. Open to all suggestions I’ll post the best pic I have of the beam
7
Posted on 2/8/26 at 6:46 pm to Uncle JackD
Why dont you want to drill into the beam?
Posted on 2/8/26 at 6:49 pm to Tangineck
Salt environment. Trying to prevent future rusting by drilling the galvanized coating.
Posted on 2/8/26 at 6:55 pm to Uncle JackD
quote:
Salt environment
I figured. Have you looked into magnetic mounts?
Posted on 2/8/26 at 7:01 pm to Uncle JackD
any electrical supply place will have the unistrut and clamps
Posted on 2/8/26 at 7:03 pm to Tangineck
quote:Not yet but I will now.
I figured. Have you looked into magnetic mounts?
Posted on 2/8/26 at 7:17 pm to Uncle JackD
Beam clamps and unistrut is the answer.
Posted on 2/8/26 at 7:34 pm to WITNESS23
quote:So an electrical store will have all I need for this? Baseball season is upon us so I’m trying to get it ready
Beam clamps and unistrut is the answer.
Posted on 2/8/26 at 7:48 pm to Uncle JackD
quote:
So an electrical store will have all I need for this?
Lowes/Home Depot have some of these things as well.
Posted on 2/8/26 at 8:02 pm to DMAN1968
Thanks fellas
Posted on 2/8/26 at 8:35 pm to Uncle JackD
Drill the beam. Get some cold galv spray and touch up the damaged coating. That column in the pic already has cold galv touch up on it so you will be fine. Hardware store should have it in aerosol spray can for under $10.
Posted on 2/8/26 at 11:25 pm to brichard
quote:
Drill the beam. Get some cold galv spray and touch up the damaged coating.
This is what I would do. Drill, tap, run stainless bolts, touch up with a little cold galv spray. Unistrut is going to rust so you'll be spraying it with something too.
Posted on 2/9/26 at 12:22 am to Uncle JackD
Yes beam clamps, u-bolts, and unistrut(s) should do what you are wanting to do. You may even be able to find all of that in galvanized. I am suprised how cheap all of that stuff is…..
Posted on 2/9/26 at 1:10 pm to cgrand
quote:
any electrical supply place will have the unistrut and clamps
P1000s with P2787 beam clamps should be readily available.
UJD, do you have a mount picked out yet?
Posted on 2/9/26 at 3:14 pm to Uncle JackD
How big of a tv are you mounting? I don't know if its an option, but I have a tv on wheels for these types of things. If you have good storage, you could consider that.
TVs weigh almost nothing these days. You could put a 50" with just some sort of straps, I'm not suggesting to jerry rig it but...I'd think they would sell a not permanent clamp of some sort for this. But if its cold galvanized any sort of metal clamps will wear that off. As said they sell it in spray paint cans.
TVs weigh almost nothing these days. You could put a 50" with just some sort of straps, I'm not suggesting to jerry rig it but...I'd think they would sell a not permanent clamp of some sort for this. But if its cold galvanized any sort of metal clamps will wear that off. As said they sell it in spray paint cans.
Posted on 2/11/26 at 10:40 am to Uncle JackD
Posted on 2/11/26 at 10:52 am to Spankum
quote:I’ve never seen unistrut that wasn’t galvanized and yes those materials and fittings are dirt cheap. Unistrut is extremely useful for hundreds of applications
You may even be able to find all of that in galvanized. I am suprised how cheap all of that stuff is…..
Posted on 2/13/26 at 8:39 pm to Uncle JackD
I would drill the holes in the column flange and if are really worried about future corrosion just cold galv, prime/paint, or seal them when you install the fasteners.
You wouldn't need very large holes I would think for a TV mount, 3/8" max for multiple 5/16" fasteners for the bracket (I assume the bracket would have 4-6 holes at a minimum).
You wouldn't need very large holes I would think for a TV mount, 3/8" max for multiple 5/16" fasteners for the bracket (I assume the bracket would have 4-6 holes at a minimum).
Posted on 2/14/26 at 4:52 am to AndyCBR
They make tv mounts specifically for I-beams that don’t require drilling 
$130 on Amazon
$130 on Amazon 
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