The safest way to use this method is with a roof rack.
How to tie mattress on roof of minivan.
Roll down all.
Don t bend your mattress folding or bending the mattress can break the springs and filling causing irreparable damage to your new purchase.
Don t tie a mattress directly to the roof of your car.
If the mattress will not fit in the cargo area consider carrying the mattress on your roof but only if your minivan has a roof rack.
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.
Wrap the mattress completely in the mattress bag making sure to tape down every loose end to keep it from blowing in the wind.
Open the windows of the suv and tie the mattress down using ratchet straps.
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.
Pull the rope tight so there is no extra slack.
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.
Center the mattress in the middle and put the rope over the length of the mattress.
To do so roll down the windows in your car and then center the mattress on the roof.
Use strong rope or straps and make sure the mattress is tied down lengthwise and widthwise keeping the fastenings well centered.
Steps for tying a mattress to a car.
If you don t these loose ends will flap around in the wind.
If it s strong enough it will rip the plastic bag right off the mattress.
Get them as tight as you can.
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.
It can cost up to 1 500 to fix this damage.
Use rope with a tight cinching knot such as a trucker s knot if you do not have ratchet straps.
Buy sturdy rope nylon or polyester based.
Place the straps through the windows of the vehicle.
Your partner will catch the rope run it through the car window and hand it back to you from inside the car.
Place the 2 by 4 lumber evenly spaced on top of the mattress to help weigh it down.