Don t buy ratcheting tie dows unless you plan haul stuff frequently on your roof which is highly unlikely since you are asking here how to secure a mattress and box spring.
How to tie mattress to roof.
Pull the rope tight so there is no extra slack.
To do so roll down the windows in your car and then center the mattress on the roof.
Put the mattress on the bottom the box spring on top and secure it with rope accross the middle and near each end use good knots.
Secure the front end of the mattress and then the other end of the mattress.
Once the rope is tightly placed on the mattress open all.
Roll down all windows.
Make sure to knot the end of the rope a few times to keep it secure.
Center the mattress in the middle and put the rope over the length of the mattress.
After the mattress is secure in the plastic place the mattress on the roof.
Put a piece of rope on the roof of the car that goes from back bumper to front bumper.
Securing the mattress by running a rope or twine through the windows or doors of your car can result in broken door seals and warped window frames.
It can cost up to 1 500 to fix this damage.
Tie one end of a rope to the grab handle in the back of the car then toss it to a partner on the other side of the vehicle.
Make sure you tie the mattress to at least three or four solid points.
Tie the rope that you placed the mattress on in place.
Tie one end of the rope on a handle on the rear inside roof of the car.
Paint is slippery and no matter how tight you tie it the mattress will shift when you brake suddenly and when cornering.
Tie down the boards lengthwise and widthwise similar to how you d secure a mattress.
Sleepy sal episode 4 is here.
Don t tie a mattress directly to the roof of your car.
While tying a mattress straight onto the roof of your car is fine if you do it properly a roof rack is always better.
Then toss the opposite end of the rope to your partner up and over the surface of the mattress.
Although it is easiest to move a mattress with a truck you can use your car if necessary.
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.