Product Overview

Summary: This Standard Operating Procedure provides a clear, step-by-step method for assessing and repairing cracks in plastered surfaces to a professional, durable finish. It helps Australian businesses deliver consistent quality, minimise rework, and maintain client satisfaction across residential, commercial, and industrial projects.

Cracks in plastered surfaces are one of the most common defects identified in buildings, and they can quickly undermine client confidence if they reappear after repair. This Standard Operating Procedure sets out a consistent, professional approach to crack repair, from initial inspection and diagnosis through to preparation, filling, finishing, and final quality checks. It guides workers to distinguish between cosmetic and structural issues, select the right repair method and materials, and achieve a seamless finish that blends with existing surfaces.

For Australian construction, maintenance, and facilities teams, this SOP reduces guesswork and variation between workers and sites. It supports better scheduling and coordination with other trades, provides a defensible quality standard for handovers and defect lists, and helps protect your reputation by reducing callbacks and warranty claims. Whether you are managing new builds, refurbishments, or ongoing facility maintenance, this procedure gives your team a clear, repeatable method to repair cracks efficiently while aligning with good building practice and relevant Australian standards.

Key Benefits

• Standardise crack assessment and repair methods across projects and teams.
• Reduce costly rework and repeat visits caused by ineffective or short-lived repairs.
• Improve handover quality and reduce defect list items related to plaster cracking.
• Enhance client satisfaction by delivering visually consistent, durable finishes.
• Support training of new staff with a clear, documented step-by-step process.

Who is this for?

• Plasterers
• Maintenance Technicians
• Building Supervisors
• Facilities Managers
• Residential Builders
• Renovation Contractors
• Quality Assurance Inspectors
• Strata and Property Managers

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Crack Types
• 3.0 Roles and Responsibilities
• 4.0 Tools, Materials and Equipment
• 5.0 Pre-Work Inspection and Assessment
• 6.0 Determining Repair Method (Cosmetic vs Potential Structural Issues)
• 7.0 Surface Preparation Requirements
• 8.0 Crack Repair Procedures – Hairline Cracks
• 9.0 Crack Repair Procedures – Minor and Moderate Cracks
• 10.0 Crack Repair Procedures – Movement and Recurrent Cracks
• 11.0 Drying, Sanding and Finishing Techniques
• 12.0 Priming, Painting and Colour Matching Considerations
• 13.0 Quality Control and Acceptance Criteria
• 14.0 Documentation, Photos and Defect Tracking
• 15.0 Training, Review and Continuous Improvement

Legislation & References

• AS/NZS 2589: Gypsum linings – Application and finishing
• AS 1884: Floor coverings – Resilient sheet and tiles – Installation (for coordination with adjoining works)
• National Construction Code (NCC) – Building Code of Australia (for general building performance requirements)
• Manufacturer technical data sheets for plaster compounds, jointing compounds and fillers