Put the mattress on top of the car and rope so that it goes length wise with the length of the car see pics above.
How to strsp a bed to a van roof.
Open the windows of the suv and tie the mattress down using ratchet straps.
Place the mattress quilted side down first the the box spring on top of the mattress non skid side down.
I am going to pickup a queen size mattress and box springs and my dad is going to take the mattress part in his van but the box springs won t fit in his van because they don t bend like a mattress does.
A traditional camper van bed isn t going to be as user friendly as other options but the conversion going to be more affordable than option 2 and easier to install than option 3.
Wrap lumber in a tarp to secure it and place a blanket down on the roof under the load to avoid scratching your vehicle s paint.
Put a piece of rope on the roof of the car that goes from back bumper to front bumper.
Use rope with a tight cinching knot such as a trucker s knot if you do not have ratchet straps.
I am planning to strap the box springs to the roof rack on my rav4 and tie them down with a bunch of rope.
Place the straps through the windows of the vehicle.
Use strong rope or straps and make sure the mattress is tied down lengthwise and widthwise keeping the fastenings well centered.
You will likely feel cramped in this style of bed and it s more difficult to enter or exit the van from the rear.
Take care to keep it clean and dry since you ll be sleeping on it.
Align the straps evenly over the mattress.
Roll down all windows.
Tighten the ratchet straps or rope as much as possible.