Some roof bags mount to roof racks or raised side rails some mount to roof baskets and others mount to naked roofs.
Tie box to roof rack.
Simply wrap each strap around a solid anchor point thread the strap through the buckle and pull until secure.
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.
What types of tie downs work best.
Learn how to safely secure items to your car s roof racks.
There are really three kinds of scenarios for your roof wood said.
Just as before wrap that end of the safety strap under the other side of the same roof bar.
Ratchet straps are a cheap and easy way to ensure the highest level of safety when deciding how to secure items on a roof rack.
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Remove your rack when not in use to avoid the added weight drag and noise.
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.
Most include tie down straps for attachment.
Use a tie down that wraps around the item and the rails.
Assess your rack situation.
Make sure your ro.
First loop the strap under the roof rack s crossbar and drape the loose ends over your oblong load i e.
There s the scenario where there s absolutely nothing on the top of your roof.
Nylon rope also works but be prepared to tie some trucker s knots.
Use ratchet or cam straps to tie the roof rack through the doors not the windows.
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.
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.
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.