Is it legal to haul lumber boards unsecured in a dry van?

Yes, i hauled a load like this from jackson, ms to el paso, tx. No securement, slammed the doors and off i went. I have also hauled tractors 10/15k lbs each out of houston in a van, secured with straps to the walls

 

Long board groups (as mentioned before, and pictured) simple in a dry van. Place one end into the trailer, grab the next group and shove the two into trailer making room for next two. After the second group are set in, a heavy skip loader with a ram-rod arm with 6 ft plate on the end, pushes the 4 units as far as they can reach,, process again, usually 8 or 9 groups per load.
To unload, regular fork lift gets an under grab and slides the group off the trailer to the platform and a second fork picks it from the side.
Load locks are useless in the modern dry van, at the first bump. the walls flex and the load locks fall to the floor. Most every trailer is now built with strap connection rails at the seams of each pannel (both sides), But with these loads, straps are not needed, it is generally a tight fit. Most mills will put some sand on the floor for smoother sliding.
Never had an issue with interior load securement....just make sure thereis a sealon after you close the doors. Most DOT LEO's don't want to mess with seals.

 

That's true about push type load bars, which is why most vans have ladder rack type. I beg to differ on the seals, more than once I picked up a rail can with a "State Police" seal on it.

 

when we load at where I work its van and flatbed.
18-19 pallets depending on product and weight.
The vans will take 18 pallets, 2 side by side and nine deep and I have seen very few use load locks because as someone mentioned that with the flex in these newer trailers they end up on the floor anyways.
When 19 pallets are loaded its usually 8 pallets 2 side by side then a single and then the remaining 10 loaded 2 side by side and again, no load locks.
One the flats they are loaded the same way and secured with 2 straps across the front roll of pallets and then a single strap on the rest. Most drivers will also run 2 straps on the most rear ward roll of pallets.
Someone mentioned using a load lock vertical. I dont know about the rest of you but I don't want to be pushing up on the thin roofing or the cross supports. Good way to punch a hole through or bend a support.

 

They ship 4’ Lumber on pallets? What kinda lumber is that?

 

I've done lumber exactly once. The bundles were all banded together, stacked 2 high.

Put two straps on the back in an X as I do most everything and rolled.

 

There’s a place in Polson MT that makes bee boxes and they’d get 2ft 1x6 shipped in dry vans. We hauled in anything 4ft and longer on flats. They would just stack that short stuff and band it to a pallet and put it in the trailer. I’m not sure where it came out of.

 

precut pieces for pallets,

 

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no I'm sorry i should have clarified what we load. Its bags of stone, lime stone, top soil, compost. I was just trying to show that the load in the van isn't secured by anything that it just sits there. There isn't a way to secure it. Those load bars wouldn't hold it and I'm sure if they started moving the straps wouldn't either

 

I don’t know why it be illegal to haul lumber in a van trailer? But I’d have to use some sort of securement to keep from shifting side to side or sliding back, like load locks