What is this? I have seen a couple of these in attic spaces, always in a truss system. It is clearly left over from construction as it is not near the HVAC system or the attic access door. But it is quite a substantial support with a 1/4 inch cable.
Any ideas what this is used for?
Clue: It’s NOT a Hoist!
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Was there an opening directly below that steel sling? Looks like it was used to attach a chain fall and lift something up.
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It is a tie off bar for the roofers. OSHA requires them to get all tangled up.
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It’s to help the roofing crew not fall off the roof.
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I would identify this a wood truss anchor bar which is one component of a roof fall protection system.
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hate when that happens. 
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Sometimes it is the little things that will get ya!
How does it do that hanging in the attic?
I’ve never seen that. Here, we use roofer tie-offs that are permanent on the roof.
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It’s intent is for fall protection while the roof sheathing is installed on the open trusses, NOT the roof covering/shingles.
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Yes, the actual roofers putting on the shingles may or may not use it. I’ve seen holes punched through the sheathing so they can though. Otherwise it is mainly for the construction crew that is laying down the sheathing.
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I have also seen them fed up through the ridge vent before the ridge cap is installed. Usually, I just see a strap tied off to a truss, lol.
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And then when it is covered with the sheathing…then what? For the rare times that we ever tied ourselves off when decking a roof, we tied off at the peak so we could lay all the sheathing. It was never anything fancy like that.
Interesting how some basic practices are regionally different.
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Roofers around here generally don’t like tie offs and prefer to work without them.
Those are old school nowadays, and intended to be removed and reused by the contractor.
Check out this more modern bar…
For $200+, I would reuse that thing too.
Nowadays, everyone on job sites are walking around with hard hats. In my day, that was unheard of at a residential construction site. Of course, in my day, we had to have a good place to tie the horse off with hay and water so it would be ready for the trip home that evening.
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