How to Secure a Surfboard to a Roof Rack

If you’ve ever heard a strap flap, watched a board shift, or worried you’ll arrive with a cracked fin box, you know why this matters. The simplest approach is: get the board in the right spot first (centered, straight, and lined up with the rack), then use the right tie-down method—ratchet straps are usually the go-to—with just enough tension, not “gonna crush it” tight.

And don’t treat this like a “tighten it and hope” job. Do a quick check before you drive, and then check again right after you pull out.

Position the Surfboard Correctly on the Cross Bars

Start with the basics so the board doesn’t slide.

1. Use the cross bars as your main support points.

Put the board so it rests on the bars and doesn’t hang over the sides.

1. Get the surfboard orientation right.

Handle the fins the way you’ve been taught to (common guidance is fins facing upward, and/or fin-forward toward the vehicle tail). Pick one direction and keep it consistent for the whole trip. The goal is straightforward: keep fins from catching on straps or getting pushed sideways.

1. Keep it stable before you strap.

Lift, set down, and nudge the board with your hands until it sits flat and doesn’t rock. If it moves now, it’ll move later.

A quick “don’t do this” list before anything else

• Don’t leave the board off-center on the rack.
• Don’t angle the board across the bars. Straight support matters.
• Don’t over-tighten straps. You can damage the surfboard.

Center and Align the Board (Parallel Placement)

Once the board is on the cross bars, focus on alignment.

• Center the surfboard left-to-right on the rack. The easiest way is to stand at the back of the car and eyeball it so both sides look even.
• Place it parallel to the cross bars.

In other words, the board should run in the same direction as the bars, not turned or twisted.

If you’re thinking, “Parallel just means straight,” you’re right. Still, it’s worth being picky—small angles can turn into sliding once you hit bumps.

Fin orientation matters, too

Before you tighten anything, check the fins:

• They’re not pressing into straps.
• They aren’t positioned in a way that could snag or bend them.

What to Put Under the Board: Towels or Roof Rack Pads

Padding protects the surfboard and helps with stability.

Use padding under the board, like:

• Towels (folded so they don’t bunch up), or
• Roof rack pads made for surfboards and roof racks

Why this helps:

• It adds grip so the board is less likely to slide.
• It reduces hard pressure points on the deck.

If your rack has surfboard roof rack attachment parts or specialized pads, use them as intended. They’re meant to keep the board steady and reduce wear.

Don’t skip this if you’re using straps

Straps hold the load, but padding helps prevent scuffs and reduces movement where the board touches the rack.

How to Secure a Surfboard with Ratchet Straps

For most drivers, ratchet straps are the easiest, most controlled option. Ratchet straps are commonly recommended because they let you tighten in a controlled way.

Step-by-step: ratchet strap setup

1. Lay the straps so they don’t twist.

Route them so they lie flat across the rack, not twisted over each other.

1. Position the straps over the board where the board is strongest and where they can hold it down.

In general, cross the board area while keeping the board flat against the cross bars and padding.

1. Tighten gradually.

Start snug, then tighten a bit more. Pause and check for:

• The board shifting off center
• Padding bunching up
• The fins or leash area getting pressed awkwardly

1. Avoid over-tightening.

Aim for “secure and stable,” not “squished.” If the board flexes or looks deformed under strap pressure, loosen and adjust.

1. Check the strap ends.

Confirm everything is locked so it won’t loosen in transit. Secure any free strap ends so they can’t flap.

How to do the “real world” check

After you tighten, test it by hand:

• Push left-right.
• Push forward-back.

If it slides easily, tighten a bit more and re-center. If it doesn’t move at all, you’re set.

Common pairing: roof rack pads + ratchet straps

Many people use surfboard roof Rack Pads and straps together: pads under the board, straps over it. The combo improves grip and helps prevent damage.

How to Secure a Surfboard with Bungee Cords (and what to avoid)

Bungee cords can work in a pinch if they’re the right size and you can create solid tension. The downside is that they’re easier to get wrong, and they can loosen as you drive.

If you use bungees, think “secure first, flex last.”

How to use bungee cords more safely

• Use multiple bungees so the board can’t rock.
• Center and align the board first (don’t skip that).
• Keep tension strong, but don’t crank them hard enough to damage the board.
• Make sure the cords aren’t rubbing directly on fins or thin areas.

What to avoid

• Avoid relying on one cord across a shifting board. One weak point can become a bigger problem.
• Avoid over-tightening. Bungees can look tight at first and then change tension on the road.
• Avoid loose ends that flap. Flapping is a sign the tie-down needs adjustment.

If you’re unsure, ratchet straps are usually the safer, more consistent choice.

How to Tie a Surfboard to Roof Racks with Rope

Rope setups can work, but they require careful tying and correct tension. Without good knots and consistent tension, rope can be less predictable than ratchets.

A practical way to rope it down

1. Pad under the board first (towel or rack pad).
2. Set the board centered and parallel to the cross bars.
3. Use rope to create tie-down points:

• Wrap or loop over the board area
• Route rope so it doesn’t slide off the rack edges

1. Tighten enough to prevent movement, not enough to crush the board.

Rope “gotchas” to watch for

• Knots can loosen if they aren’t secured properly.
• Rope can stretch (depends on the rope type), so you may need to re-check tension later.
• Rope rubbing on fins can cause damage, so keep tension and routing clean.

If you’re tying with rope because you don’t have straps, plan to do extra hand-checking for movement before driving.

How to Tie Down 2 Surfboards on Roof Racks

Two boards are doable. The main goals are preventing:

• Side-to-side shifting
• Board-to-board rubbing
• Uneven pressure that could twist one board

Step-by-step: two boards

1. Place both boards parallel to the cross bars and keep each one centered on the rack area it’s using.
2. Separate the boards if needed so they don’t rub (use padding between boards if they touch).
3. Use padding under each board (towels or roof rack pads).
4. Tie down each board with its own straps instead of trying to “share” the load with one loose setup.

• If you’re using ratchet straps, tighten gradually and keep both boards from drifting.
• If you’re using rope or bungees, add more tie-down points to prevent rocking.

How to avoid common mistakes with two boards

• Don’t let one board be more “squeezed” than the other.
• Don’t leave one board un-strapped while you focus on the other.
• Don’t stack pressure on weak spots near fins.

If you can, do a quick walk-around:

• Look at both boards from the front, side, and back.
• Make sure they look straight and aren’t tilting toward the road or up into the sky.

How to Lock a Surfboard to a Roof Rack (Cable/Leash Plug + Lock Methods)

Strapping prevents movement. Locking prevents theft. Both matter when you stop for snacks, coffee, or gas.

Fast option: cable through a leash plug / tail lock-style method

Some racks and boards support a cable through a leash plug setup. In plain terms:

1. Run a security cable through the board’s leash plug (or a tail lock-style point).
2. Route the cable to your rack’s locking point.
3. Lock it so the board can’t be lifted off the rack.

This is a quick method when your board and rack setup match.

Boardlocker-style rack security

Another common approach is a boardlocker-style rack. These racks are designed to hold surfboards more securely, usually with features that make it harder to remove the board without opening the lock or mechanism.

No matter which locking method you use:

• Keep the board centered and parallel before you lock.
• Don’t let straps or locks push against fins in an awkward way.
• Make sure the locking cable doesn’t interfere with strap tightening.

Quick Safety Checks Before You Drive

This is the step that prevents most “oops” moments. Don’t skip it.

Do a quick checklist

1. Centered? The board should sit evenly on the rack.
2. Parallel? The board should run straight with the cross bars.
3. Padding in place? Towels or pads should be under contact points and not bunched or shifted.
4. Straps routed right? Straps should lie flat and be secured over the board, not twisted.
5. Snug, not crushed. Press down lightly by hand and check for excessive flex or deformation.
6. Fins protected and oriented. Make sure fins aren’t being pressed or snagged.
7. Loose ends secured. No flapping rope ends, loose strap tails, or hanging bits.
8. Try the hand test. Push and tug the board. If it moves, fix it now.

After you start driving

After you go a short distance:

• Stop safely when you can.
• Re-check strap tightness and alignment.

Before your next trip, run through the checklist again and do a final strap-and-alignment check before driving.