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Unit: Inspecting and testing subfloors

LMFFL2004A: Moisture test timber and concrete floors
LMFFL3101A: Inspect sub-floors

Section 3: Inspecting subfloors

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, click on the link below.

Assessment requirements

Provide short answers to the following questions:

  1. What is a 'White Card' and who needs to have one?

  2. Name four items of personal protective equipment you may need to take on-site when you carry out a subfloor inspection.

  3. Why is it important for flooring installers to have a good understanding of the Australian Standards that relate to their work?

  4. How should you advise the client if you found a problem with the subfloor that needed to be fixed?

  5. What is the purpose of a curing compound on a concrete slab?

  6. Describe a simple test for finding out whether the surface has a curing compound on it.

  7. What does 'laitance' mean and why is it a problem?

  8. State the tolerance for 'planeness' in a concrete floor (as specified in AS 1884).

  9. State the tolerance for 'smoothness' in a concrete floor (as specified in AS 1884).

  10. Name two causes of 'blown' timber floor boards.

  11. What should you do if you find live termite activity in a timber subfloor?

  12. Give two reasons why good subfloor ventilation is important.

Doc (407 KB) Moisture in subfloors Assignment template

Click on the link above to go to the Word document you will need to complete. You should fill in your answers on-screen and then either:

  • print out a hard copy to send to your trainer by post

  • save the file electronically to submit to your trainer as an email attachment.