Describe a simple test for finding out whether the surface has a curing compound on it. What does mean and why is it a problem? ‘laitance’ State the tolerance for in a concrete floor (as specified in AS 1884). ‘planeness’ State the tolerance for in a concrete floor (as specified in AS 1884). ‘smoothness’ Name two causes of timber floor boards. ‘blown’ What should you do if you find live termite activity in a timber subfloor? Give two reasons why good subfloor ventilation is important. 4 Section
Describe a simple test for finding out whether the surface has a curing compound on it. What does ‘laitance’ mean and why is it a problem? State the tolerance for ‘planeness’ in a concrete floor (as specified in AS 1884). State the tolerance for ‘smoothness’ in a concrete floor (as specified in AS 1884). Name two causes of ‘blown’ timber floor boards. What should you do if you find live termite activity in a timber subfloor? Give two reasons why good subfloor ventilation is important. Section 4
inspecting_testing_subfloors_learner_guide.docx