Elements and Performance Criteria
- Prepare for work
- Applicable legislative, OHS and organisational requirements relevant to moisture barriers and damp proof membranes are verified and complied with
- Instructions and/or plans are read and interpreted to identify the process required to complete work tasks
- Sub-floors are inspected in accordance with ASNZS 2455.1 (1995) and AS 1884 (1995) and the treatment system is identified
- Tools, equipment and materials are selected and checked prior to use to ensure that they are appropriate for the work, serviceable and in a safe condition
- Material safety data sheets, or equivalent, are read and applied during work
- Materials and equipment are prepared and positioned for use
- Surfaces are cleaned in accordance with manufacturer recommendations
- Apply moisture suppressant
- Apply moisture barrier
- Establish whether the moisture is hydrostatic pressure, capillary moisture, or new concrete with high moisture content
- Establish whether moisture content is reducing, is construction moisture or is result of damaged membrane or capillary action
- Strengthen all corners, cracks and other penetrations
- Layer barrier material in accordance with manufacturer instructions
- Apply second coating as required
- Sub-floor is checked and cleared for further processing