Tile batten visual strength grading workshops and examinations

All our training and examinations are run on your site.  We are happy to work in any country.


Tile batten visual strength grading workshops and examinations range from 2-4 days.  The exam is taken on the last day.


Our approach is highly practical.


The costs for tile batten training workshops and examinations are:




Time on site

1 grader

£999 + VAT

1 day

2 graders

£1150 + VAT

1 day

3 graders

£1350 + VAT

1 day

4 graders

£1500 + VAT

1 day


CATG is approved by the United Kingdom Accreditation Service for the examination and certification for all timber strength grading schemes.


Once you become a qualified visual grader you will need to be assessed every 12 months. CATG will come to your site to complete this assessment.


To become a visual strength grader for please contact our office and we can arrange for you to become qualified.


CATG welcomes all delegates for examination. Ideally, delegates shall have undergone training or work experience where they have:


Visually strength graded timber

Identified timber defects and measured, judged and rated them

Taken moisture readings

Identified species and their origin from the rate of growth


Candidates for examinations will be from:


Training courses being run by training companies

Individuals seeking re-examination

Employees sent by companies seeking re-examination


The required competences for graders are:


Select timber

Identify the species

Take moisture readings

Determine knot plots, sizes and/or types

Grade the timber successfully

Allocate a grade or fail the timber

Stamp the timber correctly

Store the timber safely without loss of quality

Record grading activities

Handle complaints

Complete ACDs and DOPs

To request a quote, or if you have any questions or require further details on any of our services, click the quote button below, or call us on 0044 (0) 1524 400632.


Request a quote

Global Service, Local Values:

CATG operate certification and grading services in the following countries:

  • Austria
  • Belgium
  • Chile
  • Croatia
  • Estonia
  • France
  • Germany
  • Holland
  • Kazakhstan
  • Latvia
  • Lithuania
  • Luxembourg
  • Russia
  • UAE
  • Ukraine

Vacancies & Recruitment Opportunities

Opportunities for auditors

At CATG we are always looking for those who can develop their own customer base.  We welcome enquiries from those wishing to develop new customer bases around the world.

Find out more about our opportunities for auditors