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Unit: Inspecting and testing subfloors

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

Section 2: Moisture in 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. If the atmosphere has an RH of 50%, what does this mean?

  2. What does EMC stand for, and what does the term mean?

  3. What is the general moisture content range for timber that is 'seasoned'?

  4. When might you find that the EMC inside a building is below the normal 'seasoned' range?

  5. Why do builders like to slow down the curing process in concrete?

  6. What 'rule of thumb' is used by concreters to estimate the time it will take concrete to dry to EMC?

  7. Give three reasons why this rule of thumb may not be accurate for a particular slab.

  8. What is the purpose of an expansion joint in concrete?

Doc (405 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.