What is BS AU 144f - Specification for Retreaded car and commercial vehicle tyres about?  
BS AU 144f specifies requirements for the retreading of car and commercial vehicle pneumatic tyres for road vehicles primarily designed for use on the public highway and first used after 3 January 1933. It specifies inspection procedures for the tyre carcass before and during processing, repairing and processing details, rubber depth under the tread pattern, tread pattern information, and rotating drum verification tests. The requirements apply to both tubed and tubeless retreaded tyres.
The standard does not apply to:
- tyres designed for use on pre-1933 vehicles, as their design and construction may be unique and outside the range of tyres in current use;
- temporary use spare tyres; or
- tyres with speed categories VR or ZR.
NOTE The titles of the publications referred to in this standard are listed on the inside back cover.
Who is BS AU 144f- Specification for Retreaded car and commercial vehicle tyres for?  
BS 5173 -106.2 on specifications for retreaded car and commercial vehicle tyres is for:
- Rubber and tyre manufacturers and suppliers   
- Automobile industry
- Entities dealing with tyres safety
- Test providers for tyres and automobiles
Why should you use BS AU 144f - Specification for Retreaded car and commercial vehicle tyres? 
Retreading covers the replacement of the tread rubber and may include the renovation of the sidewall rubber and the renewal of part or whole of the protective breaker or belt of a radial ply commercial vehicle tyre.
BS AU 144f provides procedures and methods such as remoulding, recapping, and top-caping for restoring retreaded tyres from old vehicles for commercial use.
BS AU 144f provides inspection, restoration and testing procedures for testing tyres so that they can be reused in future.
The test methodologies given in BS AU 144f enable you to examine the tyres for any signs of deformation or delamination of reinforcement or lining, which contributes a lot to maintaining the high quality and efficient functioning of retarded tyres. 
