There should be a 3 to 3 foot span between the 2 x 4 s.
Transporting plywood on roof rack.
I transport 4x8 plywood on my roof racks i usually run a couple of 2x4s under the roof racks the full length of the ply and strap to those at the front and back as well as strapping to the actual roof racks.
Run the remaining three ratchet straps from one side of the roof rack to the other over the plywood sheets.
Drive to your destination slowly and carefully.
Secure it to the roof rack.
I needed to lug home some 1 2 sheets of fragile yet flexible 4 by 8 drywall with only my honda civic.
My car with 4 x8 mdf board on the roof rack.
This project satisfies all three goals of most of my projects.
I would lay sheets of plywood on these bars and then use a c clamp at the end of each 2x4 to clamp the plywood to the 2x4 s.
Place two 8 foot long 2 4 pieces of dimensional lumber on the roof rack lengthwise.
Remember to place a distance of about 3 to 3 foot in between.
Ask for help from friends if.
Secure the 2 4 s to the roof rack by tying it to the front and rear crossbeams.
Oh and remember to.
Second trip 16 2 x4 x6 boards on my roof rack.
The method you use to secure the lumber will depend on what kind of roof rack you have.
Just make sure to follow the same basic principles outlined above.
Be sure to use straps that are at least 10 cm 4 inches wide to improve cargo stability and decrease the odds of breakage.
Out of the choices of cheep quick and good you usually only get to pick two.
On a roof rack step 1.
Makes it a lot harder for the winds to lift it up.
Tighten each ratchet strap to secure the plywood.
Drywall and plywood cartop carrier roof rack.
Hauled a lot of plywood that way even put longer 2x4 s on once and carried a 10 foot wide garage door.
Use ratchet straps that can handle the weight of your load and check that the roof rack is secure enough to provide a proper anchor.
Rusticdavid woodworklessons woodworkingforbeginners david shows how to tie wood boards and sheets of plywood safely and securely to your cars roof rack dav.
4 web ratchet straps in a pair of x formations to hold down the board to the cross bars.
As an alternative to tying you could attach these with duct tape.
In case you have no idea how much weight your plywood sheet is a sheet of inch plywood is approximately 100.