Maintaining Slate and Tile Roofing in the Workplace — City and Guilds of London Institute Vocationally-Related Qualification Construction & Building Services Revision
This element covers the practical and theoretical competencies required to carry out maintenance work on slate and tile roofs, including assessing damage,
Topic Synopsis
This element covers the practical and theoretical competencies required to carry out maintenance work on slate and tile roofs, including assessing damage, selecting appropriate replacement materials, and executing repairs while adhering to safety regulations and contract specifications. Learners must demonstrate the ability to interpret work instructions, plan tasks, and minimise disruption and damage to the property, ensuring all work meets industry standards and client expectations.
Key Concepts & Core Principles
- Health and safety regulations: Understanding the Construction (Design and Management) Regulations 2015, risk assessments, and safe use of tools and equipment.
- Building fabric maintenance: Skills in repairing walls, floors, roofs, windows, and doors, including basic carpentry and masonry.
- Plumbing and drainage: Fixing leaks, unblocking drains, and maintaining taps, toilets, and pipework.
- Painting and decorating: Preparing surfaces, applying paint, and using wallpaper to achieve a professional finish.
- Basic electrical maintenance: Replacing sockets, switches, and light fittings, and testing circuits for safety.
Exam Tips & Revision Strategies
- For NVQ portfolio evidence, provide annotated photographs clearly showing before and after conditions, along with measurements and dates.
- Include risk assessments and method statements you prepared or followed as evidence of planning and compliance with legislation.
- Keep a detailed site diary recording resources used, problems encountered, and how they were resolved; this demonstrates your understanding of the process.
- Ensure witness testimonies from your assessor or supervisor specifically mention your safe working practices, material selection, and achievement of the specification.
- When describing your work, always link actions back to the specific clauses in the relevant regulations and standards.
- In your portfolio evidence, include annotated photographs and written accounts that clearly show how you verified material compatibility and followed the sequence of work as per the job specification.
- When observed, narrate your decision-making process: explain why you chose specific tools, how you identified hazards, and how you adapted to unexpected conditions like hidden deck decay.
- Cross-reference your evidence with the relevant NVQ units and knowledge statements; ensure you address all performance criteria, especially those concerning time management and customer liaison.
Common Misconceptions & Mistakes to Avoid
- Failing to adequately inspect the roof substrate before beginning work, leading to undetected rot or structural defects.
- Using incorrect fixings or techniques for the specific type of slate or tile, which can result in leaks or future failure.
- Not matching the replacement materials (size, colour, profile) with the existing roof covering, causing an unacceptable aesthetic finish.
- Neglecting to implement proper edge protection or fall arrest systems when working at height.
- Applying excessive mortar to bedding or pointing, which can cause cracking and water ingress.
- Misinterpreting the contract specification and using materials that do not meet the durability or fire resistance requirements.
Examiner Marking Points
- Award credit for correctly interpreting given information such as drawings, specifications, and schedules to identify the scope and sequence of repair work.
- Award credit for demonstrating compliance with relevant legislation and official guidance, including COSHH, Working at Height Regulations, and CDM, through application on site.
- Award credit for maintaining safe and healthy working practices, including correct use of PPE, safe erection and use of access equipment, and proper handling of materials.
- Award credit for selecting the correct quantity and quality of resources, such as matching slates or tiles, fixings, and mortar, to ensure a like-for-like repair.
- Award credit for minimising the risk of damage to the work, surrounding area, and existing roof structure, for example by using crawling boards and protecting guttering.
- Award credit for completing the work within the allocated time, showing efficient task sequencing and minimal wasted effort.
- Award credit for producing a finished repair that complies with the given contract information and matches the required specification in appearance, durability, and weather-tightness.
- Award credit for demonstrating accurate interpretation of maintenance schedules, drawings, and manufacturer instructions to identify the scope of work and resources required.