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Installing Pre-formed Weathering Flashings to Roofs in the Workplace

Level 2
Credit Value
Guided Learning Hours
The aim of this unit is to illustrate the skills, knowledge and understanding required to confirm competence in installing pre-formed weathering flashings to roofs in the workplace within the relevant sector of industry.

Learning Outcomes Assessment Criteria
The Learner Will The Learner Can

Interpret the given information relating to the work and resources when installing pre-formed weathering flashings to roofs.

  • 1.1 - Interpret and extract relevant information from oral/written working instructions, drawings, specifications, method statements, risk assessments and manufacturers' information.
  • 1.2 -
    Comply with information and/or instructions derived from risk assessments and method statements.

  • 1.3 -
    Describe the organisational procedures developed to report and rectify inappropriate information and unsuitable resources and how they are implemented.

  • 1.4 -
    Describe different types of information, their source and how they are interpreted in relation to:
    – oral/written working instructions, electronic data, drawings, specifications, schedules, method statements, risk assessments, manufacturers' information, organisational procedures and current regulations governing buildings.


Know how to comply with relevant legislation and official guidance when installing pre-formed weathering flashings to roofs.

  • 2.1 -
    Describe their responsibilities regarding potential accidents, health hazards and the environment, whilst working:
    – in the workplace, in confined spaces, at height, with tools and equipment, with materials and substances, with movement/storage of materials and by manual handling and mechanical lifting.

  • 2.2 -
    Describe the organisational security procedures for tools, equipment and personal belongings in relation to site, workplace, company and operative.

  • 2.3 -
    Explain what the accident reporting procedures are and who is responsible for making reports.


Maintain safe and healthy working practices when installing pre-formed weathering flashings to roofs.

  • 3.1 -
    Use health and safety control safely and comply with the methods of work to carry out the activity in accordance with current legislation and organisational requirements when installing pre-formed weathering flashings to roofs.

  • 3.2 -
    Demonstrate compliance with given information and relevant legislation when installing pre-formed weathering flashings to roofs in relation to the following:
    – safe use of access equipment/working platforms
    – safe use, storage and handling of materials, tools and equipment
    – specific risks to health.

  • 3.3 -
    Explain why and when health and safety control equipment, identified by the principles of prevention, should be used, relating to installing pre-formed weathering flashings to roofs, and the types, purpose and limitations of each type, the work situation and general work environment, in relation to:
    – collective protective measures
    – personal protective equipment (PPE)
    – respiratory protective equipment (RPE)
    – local exhaust ventilation (LEV).

  • 3.4 -
    Describe how the relevant health and safety control equipment should be used in accordance with the given working instructions.

  • 3.5 -
    Describe how emergencies should be responded to in accordance with organisational authorisation and personal skills when involved with fires, spillages, injuries and other task-related activities.


Select the required quantity and quality of resources for the methods of work to install pre-formed weathering flashings to roofs.

  • 4.1 -
    Select resources associated with own work in relation to materials, components, fixings, tools and equipment.

  • 4.2 -
    Describe the characteristics, quality, uses, sustainability, limitations and defects associated with the resources in relation to:
    – pre-formed lead flashings, proprietary flashings, soakers, patination fluids, pointing materials
    – hand tools, power tools and ancillary equipment.

  • 4.3 -
    Describe how the resources should be used correctly and how problems associated with the resources are reported.

  • 4.4 -
    Explain why the organisational procedures have been developed and how they are used for the selection of required resources.

  • 4.5 -
    Describe any potential hazards associated with the resources and methods of work.

  • 4.6 -
    Describe how to calculate quantity and length associated with the method/procedure to install weathering flashings to roofs.


Minimise the risk of damage to the work and surrounding area when installing pre-formed weathering flashings to roofs.

  • 5.1 -
    Protect the work and its surrounding area from damage in accordance with safe working practices and organisational procedures.

  • 5.2 -
    Minimise damage and maintain a clean work space.

  • 5.3 -
    Dispose of waste in accordance with current legislation.

  • 5.4 -
    Describe how to protect work from damage and the purpose of protection in relation to general workplace activities, other occupations and adverse weather conditions.

  • 5.5 -
    Explain why the disposal of waste should be carried out safely in accordance with environmental responsibilities, organisational procedures, manufacturers’ information, statutory regulations and official guidance.


Complete the work within the allocated time when installing pre-formed weathering flashings to roofs.

  • 6.1 -
    Demonstrate completion of the work within the allocated time.

  • 6.2 -
    Describe the purpose of the work programme and explain why deadlines should be kept in relation to:
    – types of work schedules/diaries, progress charts, timetables and estimated times
    – organisational procedures for reporting circumstances which will affect the work programme.


Comply with the given contract information to install pre-formed weathering flashings to roofs to the required specification.

  • 7.1 -
    Demonstrate the following work skills when installing pre-formed weathering flashings to roofs:
    – cutting, fitting, positioning, securing, dressing, pointing and finishing.

  • 7.2 -
    Use and maintain hand tools, power tools and ancillary equipment.

  • 7.3 -
    Install pre-formed lead and/or proprietary flashings to single- and double-lap roof coverings, to given working instructions, relating to the following:
    – chimneys
    – abutments
    – soil and/or vent pipes
    – junction saddles
    – valleys
    – openings (roof lights, windows).

  • 7.4 -
    Describe how to apply safe and healthy work practices, follow procedures, report problems and establish the authority needed to rectify them, to:
    – assess suitability of sub-structure
    – identify and report faults with sub-structure and roof interfaces
    – cut, fit and place lead and/or proprietary soakers
    – cut and fit flashing materials to the required size and shape
    – install step flashings
    – install valley liners and saddles
    – install lead aprons, back gutters, soil and/or vent pipe flashings
    – install flashings to openings (roof lights, windows)
    – dress flashings
    – point/seal flashings
    – apply patination fluid
    – install proprietary flashings and weatherings
    – recognise when specialist skills and knowledge are required and report accordingly
    – recognise specific requirements for structures of special interest, traditional build (pre 1919) and historical significance
    – use hand tools, power tools and equipment
    – work at height
    – use access equipment/working platforms.

  • 7.5 -
    Describe the needs of other occupations and how to effectively communicate within a team when installing pre-formed weathering flashings to roofs.

  • 7.6 -
    Describe how to maintain the tools and equipment used when installing pre-formed weathering flashings to roofs.

Assessment guidance and/or requirements
This unit must be assessed in a work environment, in accordance with the ConstructionSkills‘ Consolidated Assessment Strategy for Construction and the Built Environment. Please refer to the hyperlink for clarity -
Assessors for this unit must have verifiable, current industry experience and a sufficient depth of relevant occupational expertise and knowledge, and must use a combination of assessment methods as defined in the Consolidated Assessment Strategy.
Workplace evidence of skills cannot be simulated.