That channel looks exactly like unistrut.
Unistrut roof rack tacoma.
Except i guess it s aluminum.
Diy unistrut roof rack i ve had a few inquiries about my roof rack after posting some pics on the what did you do to your 4runner thread.
I decided to put together a write up on what i did hoping it would answer some questions and provide a beginning for those thinking of doing something similar.
It looks like l track would work too and it s aluminum.
Unistrut is often associated with roof walkways catwalks mezzanines ceiling grids and medical equipment supports but for every typical application you ll find just as many outlier applications.
With any uptop overland rack you can feel safe knowing you are getting a product that has been rigorously tested in every environment.
Tacoma roof and bed racks when it comes to adding a roof rack you want one that is engineered for strength designed with style and durable enough to hold to the elements.
One of our local fire departments provides a case in point.