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Competencies covered

MSFFL2017: Install carpet cushion underlays and gripper accessories

MSFFL2018: Install unpatterned tufted and bonded carpet floor coverings


Your trainer may ask you to complete this assignment as one of the assessment requirements for this unit. For more information about the assessment process and advice on what to do if you need help with your reading and writing, go to Assessment requirements.

AS/NZS 2455 has a section that deals specifically with the installation of textile floor coverings using the gripper system. You should get a copy of this Standard so you can look up the answers to the following questions.

  1. The carpet gripper system may be used with most types of textile floor coverings. But the Standard lists three exceptions. What are these exceptions?

  2. If the wall length is longer than 7 metres, what is the minimum requirement in terms of the type and quantity of gripper strips you must use?

  3. There are three methods listed for fixing hardened steel nails to a concrete subfloor. What are these methods?

  4. What is the maximum gully size specified in the Standard between the gripper and the wall, expressed in terms of the carpet thickness?

  5. How close together should fixings be from the gripper strip into the subfloor?

  6. What is the maximum distance from each end that you should place the fixings?

  7. If a gripper strip is less than 7 cm long, can you fasten it with one nail in the centre? If not, what is the minimum number of fixings permissible?

  8. You may put a gripper strip across a door opening, but only under certain conditions. What are these conditions?