This will stress any knot no matter how securely tied.
How to tie a mattress to a roof rack.
On each side of the roof you ll see a rack that runs the length of the roof of the vehicle.
Tie each section firmly.
Mattresses are large bulky and can pick up resistance from the wind.
Enlist the help of a partner to stand on the opposite side of the car.
Roll down the windows in all doors of the car except the driver s side.
With the third option crossbars with side rails you can secure an item to the side rails and run tie downs from front to back securing them to the crossbars.
Tie one end of the rope on a handle on the rear inside roof of the car.
Position the mattress on the centre of the car roof.
Use strong rope or straps and make sure the mattress is tied down lengthwise and widthwise keeping the fastenings well centered.
Ratcheting straps are much less likely to fail when moving a bulky item like a mattress.
Use a tie down that wraps around the item and the rails.
Tie each section firmly.
Sleepy sal episode 4 is here.
If you do secure your mattress to a roof rack or safely in the bed of a truck strap it down with ratcheting straps.