There are really three kinds of scenarios for your roof wood said.
Tie box to roof rack.
Roof racks have been known to fail at high speeds with lots of updraft so take the extra precaution of tying the roof rack down to the roof of the vehicle as well.
Just as before wrap that end of the safety strap under the other side of the same roof bar.
What types of tie downs work best.
There s the scenario where there s absolutely nothing on the top of your roof.
Make sure your ro.
Assess your rack situation.
Use ratchet or cam straps to tie the roof rack through the doors not the windows.
Most include tie down straps for attachment.
Both water resistant and waterproof bags are available.
On each side of the roof you ll see a rack that runs the length of the roof of the vehicle.
Bring that strap end around to the other side of the cargo.
Ezykoo cargo nets 47 x 36 6mm premium bungee cord net 3 x 3 grid mesh cargo net auto roof tie down net with 14 hooks 4 6 out of 5 stars 401 32 99 32.
Simply wrap each strap around a solid anchor point thread the strap through the buckle and pull until secure.
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.
Remove your rack when not in use to avoid the added weight drag and noise.
Racv s ernest litera shares some practical tips on roof rack safety loading.
Some roof bags mount to roof racks or raised side rails some mount to roof baskets and others mount to naked roofs.
Two equally spaced straps running front to back and two side to side across the load will do the trick for most standard shaped items.
Nylon rope also works but be prepared to tie some trucker s knots.
Use a tie down that wraps around the item and the rails.
Take an end of the safety strap and loop it down under a roof bar that runs perpendicular to your vehicle and then back up to the top of the cargo.
First loop the strap under the roof rack s crossbar and drape the loose ends over your oblong load i e.