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Roof & Route

Straps & nets

Tie-Downs, Straps and Cargo Nets

Nobody researches straps until something has come loose. This is the section that saves you that experience.

By Janet H.Last reviewed September 25, 2026
A ratchet strap being tightened over a secured load

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Two things to know before you buy anything here, and they will put you ahead of most people loading a car.

Break strength is not working load. A strap advertised at 1,800 lb break strength is a 600 lb strap in practice — the industry convention is a working load limit of one third of break strength, and that factor accounts for knots, abrasion, UV degradation and shock loading over bumps. Divide by three, and plan on several straps sharing a load rather than one carrying it.

Ratchets and cam buckles are for different loads. A ratchet multiplies your force, which is what dense cargo in a steel basket needs. A cam buckle takes hand tension only, which is exactly why it belongs over a kayak hull or a cargo box lid — it physically cannot crush what it is holding.

Quick picks

Tap any row to jump to the full write-up below. Scores are our editorial judgment on published specifications — not a star rating, and not a product we claim to have tested.

#ProductBest forScorePrice
1
Representative photo of a ratchet tie-down strap with an S-hook
Rhino USA Ratchet Straps (1 in x 15 ft)Four 1-inch straps with soft loops — the right width and the right quantity for a basket or a hitch carrier.
Best ratchet set8.3
2
Representative photo of a webbing cam strap coiled beside a boat
NRS Heavy-Duty Tie-Down StrapsThe paddlesport standard, and the correct strap for anything with a shell — hulls, boxes, boards.
Best cam strap8.7
3
Representative photo of a heavy-duty bungee cargo net over gear
Rhino USA Cargo NetHeavier cord and steel hooks sized for a real basket. A backup over strapped cargo, never the restraint.
Best cargo net7.9
4
Representative photo of a bow line running from a boat to a vehicle's front end
Malone SpeedLine Bow/Stern Tie-DownsThe independent second restraint a boat needs, with hood loops for cars that have no anchor points.
Best bow and stern lines8.4

Prices checked September 25, 2026. Product photographs are representative stock images, not the exact unit. Affiliate disclosure.

#1 · Best ratchet set

Rhino USA Ratchet Straps (1 in x 15 ft)

Representative photo of a ratchet tie-down strap with an S-hook
Representative photo — not the exact unit.

Four 1-inch straps with soft loops — the right width and the right quantity for a basket or a hitch carrier.

Size
1 inch x 15 ft, four-pack
Stated break strength
1,823 lb
Implied working load
About 600 lb per strap
Included
Soft loops

What works

  • Four is the right number
  • Soft loops keep hooks off paint
  • Lifetime warranty

What doesn’t

  • Can over-tension soft items
  • Long tails to manage

Our scoring

Strength8.5
Load safety7.5
Ease of use8.0
Durability8.5
Value9.0

8.3overall

#2 · Best cam strap

NRS Heavy-Duty Tie-Down Straps

Representative photo of a webbing cam strap coiled beside a boat
Representative photo — not the exact unit.

The paddlesport standard, and the correct strap for anything with a shell — hulls, boxes, boards.

Type
1-inch cam buckle
Buckle
Padded cover
Tension
Hand only
Lengths
Several fixed

What works

  • Cannot over-tension
  • Padded buckle
  • Excellent webbing

What doesn’t

  • More than a generic pair
  • Store out of UV

Our scoring

Strength8.0
Load safety9.5
Ease of use8.5
Durability8.5
Value9.0

8.7overall

#3 · Best cargo net

Rhino USA Cargo Net

Representative photo of a heavy-duty bungee cargo net over gear
Representative photo — not the exact unit.

Heavier cord and steel hooks sized for a real basket. A backup over strapped cargo, never the restraint.

Type
Bungee cargo net
Hooks
Steel perimeter
Sizing
Basket-sized
Role
Backup only

What works

  • Stops small items escaping
  • Holds its shape
  • Cheap

What doesn’t

  • Not a restraint
  • Degrades in UV

Our scoring

Strength6.5
Load safety8.0
Ease of use8.5
Durability7.5
Value9.0

7.9overall

#4 · Best bow and stern lines

Malone SpeedLine Bow/Stern Tie-Downs

Representative photo of a bow line running from a boat to a vehicle's front end
Representative photo — not the exact unit.

The independent second restraint a boat needs, with hood loops for cars that have no anchor points.

Type
Ratcheting end lines
Included
Hood loops
Use
Boat ends to vehicle
Tension
Snug, not tight

What works

  • Solves the no-anchor-point problem
  • Quick to adjust
  • Purpose-made

What doesn’t

  • Easy to over-tension a light hull
  • One set per boat

Our scoring

Strength8.0
Load safety8.5
Ease of use9.0
Durability8.0
Value8.5

8.4overall

Which strap for which load

Ratchet straps for dense, crush-proof cargo: firewood, tools, sandbags, a loaded plastic tote in a steel basket. They reach higher tension and hold it as the load settles over a long drive.

Cam straps for anything with a shell or a soft skin: a kayak, a paddleboard, a cargo box, a duffel, a cooler. Hand tension cannot deform what it is holding — a ratchet emphatically can, and dented hulls from over-tensioned ratchets are a common and avoidable problem.

Bow and stern lines for any long load, on top of the hull straps. They stop rotation, which the hull straps do not.

A cargo net over an open basket, on top of straps, to catch small items. Elastic under load stretches, so it is never the restraint itself.

Full comparison in ratchet vs cam buckle.

Technique that prevents failures

  1. Anchor to structure. A hitch carrier’s welded loops and a basket’s frame are anchors. Mesh and plastic trim are not.
  2. Strap in both directions. Down holds the load on; fore-and-aft stops it sliding under braking. The second is the one people skip.
  3. Twist every exposed span. One or two twists stops the highway hum completely.
  4. Deal with the tails. A loose tail at 70 mph strips paint and can reach a wheel.
  5. Re-check after twenty minutes. This single step prevents most incidents, because everything settles.

Full sequences in how to tie down cargo and how to tie down a kayak.

When to throw a strap away

Webbing is a consumable and it fails gradually rather than suddenly. Retire a strap when you see any of these, without trying to judge severity:

  • Cuts, nicks or abrasion at the edges of the webbing
  • Fading and stiffness, which is UV damage and invisible strength loss
  • Damaged stitching, especially at the hook
  • A bent hook, a cracked buckle, or a cam that slips when you pull the tail backward
  • Chemical or fuel staining

Store them inside, out of sunlight. Straps left coiled on a roof rack through a summer lose real strength.

Find it for your vehicle

Every vehicle page carries the published roof load limit, the roof type by model year, and what actually mounts to it — cited, and honest about what the manufacturer does not publish.

Common questions

What does break strength mean on a tie-down strap?
It is where the webbing fails in a lab test, not what the strap is rated to hold. The working load limit is conventionally one third of break strength, and that factor covers knots, abrasion, UV and shock loading.
Can I use ratchet straps on a kayak?
Better not to. A ratchet's gearing can apply more force than a hull tolerates, particularly on a hot day. Cam straps take hand tension only, which is exactly why they are the right tool for anything with a shell.
Is a cargo net enough on its own?
No. Elastic under load stretches, which is the opposite of a restraint. A net catches small items that would otherwise escape an open basket; the load itself must be held by straps.

Sources

Read the guides before you buy

What it costs you in mpg, whether it will be noisy, and how much your roof is actually allowed to carry — sourced, dated and honest about what nobody publishes.