25 diy roof cross bars step 1.
Homemade roof cross bars.
Using a flat head screw driver assemble the roof rails to the top of the car by sxrewing the side rails and the cross bars together.
Drill where you marked.
Lay the crossbars on your side rails and grab one of your u bolts.
We will rip this into two crossbars later liberally glue the boards and clamp them together.
Repeat for the other side and the second bar.
After deciding on a general design in my head i headed to the hardware store s plumbing.
If you have factory roof racks that run from front to back you can build your own steel crossmembers using one inch square tubing cut to size and secured to the factory racks using carriage bolts.
You ll notice in the early pictures that four holes are drilled.
Remember to measure both front and back.
Ensure that the roof rack is in position and properly adjusted leaving good space at the centre.
This will essentially create a glue lam beam that will form the bars.
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Measuring and trial fitting.
I used 5 6 pieces about 1 2in thick to make a beam about 2 5in x 5 in.
The template indicates pre drilled holes which can be used to drilled holes directly into the roof of the car.
Using your u bolt mark where holes need to be drilled on the underside of your crossbar.