Secure it to the roof rack.
Tying lumber to roof rack.
I use 4 hand clamps at the corners to hold the plywood to the 2 x 4 s.
On a roof rack step 1.
If you have an suv and need to haul lumber often a trailer would be a better option than a roof rack.
For infrequent use though truck rental is a better option.
Ask for help from friends if.
Not only that but the cost of a roof rack is easily 5 10 times more expensive than a one day truck rental.
For plywood i put two 2 x 4 s on the roof rack and place the plywood on top of those to stiffen the plywood otherwise it flops up and down at highway speeds.
With anything you plan on tying down you ll need three preferably four solid points of contact stability.
Then i use the nylon web tie downs i ve got in the photos of below.
The second option is the side racks.
Remember to place a distance of about 3 to 3 foot in between.
Oh and remember to.
In case you have no idea how much weight your plywood sheet is a sheet of inch plywood is approximately 100.
Adam davis dec 10 15 at 15 03.
It s best to use a thinner piece of rope and go through an open door and then shut the doors on top of it.