Safety Information


Strict policing of loads and load restraints is standard practice in the Heavy Transport sector. More recently the New Zealand Transport Agency (NZTA) has turned its attention to light commercial, trailer and other general vehicle users carrying loads.

In February 2005 the LTSA (now NZTA) published the ‘Glovebox Guide to Safe Loading and Towing’. This new publication illustrates determination to educate the general public about the dangers of insufficient and incorrect load restraint. It also emphasizes that the driver of any vehicle carrying a load is fully responsible for the safe and secure restraint of that load. It has become all the more important that drivers of load carrying vehicles use quality restraints they trust to do the job.

Some important points from the LTSA’s guidelines and key aspects to consider when securing loads with tiedowns can be summarised as follows:



All loads including those carried on trailers should be properly restrained so they cannot shift around while the vehicle is moving. The number of tiedowns used will be determined by the type of load being restrained. Several items grouped together will likely require more tiedowns than a single solid object to ensure stability during travel.

All objects restrained by webbing tiedowns should be securely attached to appropriate anchorage points (rails, hooks or eyes) on the vehicle. If your vehicle doesn’t have suitable anchorage points, investigate whether these can be fitted to your vehicle or use a vehicle that does have suitable anchorage points.


  1. If you’re using tiedowns to secure a load, you’ll need to work out the strength of the tiedowns – known as ‘Lashing Capacity’. If you see ‘Break Strength’ – then the Lashing Capacity will be half of this figure.
  2. Fasten your load to the vehicle using as many tiedowns as required to achieve a combined Lashing Capacity equal to at least twice the weight of the load.
  3. For example a load of 300kg total weight will require a minimum of 600kg combined Lashing Capacity. This could be achieved with 2 x Aerofast tiedowns of minimum 300kg Lashing Capacity each or 3 x Aerofast tiedowns of minimum 200kg Lashing Capacity each and so on.
  4. Tighten the lashings before beginning your journey. Check them during the journey and tighten the lashings again if necessary. If possible, put the load against a headboard, sidewall or other rigid part of the vehicle structure to help hold it in place.
  5. Contact your local Land Transport Safety Authority for further information.


Note: Tiedowns should not be used for towing, lifting or as personal restraints. Other specifically designed products are available for these applications.

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