Unit of competency Outline

Date retreived
22/07/2026 11:01 AM AWST

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Caulk prefabricated concrete elements

Caulk prefabricated concrete elements

Unit of competency
National Code
CPCPRE2004
State Code
OEM04
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
08/12/2022
View on TGA
State Implementation and Classification
Approved Date
06/04/2023
Field of Education
040313 - Ceiling, Wall And Floor Fixing
Original Release Date
06/04/2023
Nominal Hours
20
Description
This unit of competency specifies the skills and knowledge required to caulk concrete prefabricated elements according to specified requirements. It requires using tools and equipment appropriate for caulking prefabricated concrete elements.A person who has achieved this unit of competency would be expected to apply caulking techniques to vertical and horizontal joints between concrete prefabricated elements.Completion of the general construction induction training program, specified in the Safe Work Australia model Code of Practice: Construction Work, is required by anyone carrying out construction work. Achievement of CPCWHS1001 Prepare to work safely in the construction industry meets this requirement.Licensing, legislative, regulatory or certification requirements apply to this unit of competency in some states and territories. For further information, check with the relevant regulatory authority.
Notes
Elements and Performance Criteria
1. Access requirements to caulk prefabricated concrete elements.
  • 1.1 Review the erection design documentation and construction drawings to clarify caulking task specifications.
  • 1.2 Review work health and safety (WHS) requirements for the task in accordance with safety plans and policies.
  • 1.3 Conduct working at heights risk assessment and follow appropriate WHS processes.
  • 1.4 Identify safety signage and barricade requirements.
  • 1.5 Review environmental requirements for the task in accordance with environmental plans and legislative requirements.
  • 1.6 Access tools, equipment and materials required to carry out task.
  • 1.7 Locate the joints and confirm safety requirements, including working aloft, fall protection, accessibility and drop zones.
2. Prepare to caulk prefabricated concrete elements.
  • 2.1 Erect identified safety signage and barricade requirements, and fit personal protective equipment (PPE).
  • 2.2 Obtain plant, tools, equipment, check for serviceability and rectify or report any faults.
  • 2.3 Identify materials and associated quantities/measurements required for caulking according to specifications.
3. Prepare concrete prefabricated joint and apply caulking and finishing technique.
  • 3.1 Remove any existing fill and clean joint between concrete prefabricated elements to ensure the surface area is free from laitance, dust and dirt in accordance with manufacturer technical data sheet.
  • 3.2 Review need for bond break tape and install backing rod using a blunt edged tool into joint between concrete prefabricated elements in accordance with manufacturer technical data sheet to control depth of injected caulking material.
  • 3.3 Check backing rod installation to ensure material is firmly secured within the joint, at the depth specified in the erection design documentation.
  • 3.4 Check backing rod installation is free of punctures and air pockets and complies with fire rating and acoustic requirements.
  • 3.5 Assess if priming agent is required and, if so, apply to both edges/sides of the backing rod and concrete prefabricated elements in accordance with the manufacturer technical data sheets.
  • 3.6 Access approved sealant and apply in a constant motion using steady pressure, filling the required void, to achieve a uniform appearance in accordance with the manufacturer technical data sheet.
  • 3.7 Back tool the sealant immediately after caulking, using an appropriate caulking tool in accordance with the manufacturer technical data sheet to achieve a smooth and uniform finish, ensuring both sides of the joint are flush with sealant chamfer end.
4. Clean up.
  • 4.1 Clear work area and dispose of, reuse or recycle materials in accordance with regulatory and workplace requirements.
  • 4.2 Clean, check, maintain and store tools and equipment in accordance with manufacturer and workplace requirements.
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