Install insulation to framed sections of buildings

URN: COSVR645
Business Sectors (Suites): Insulation and Building Treatments (Construction)
Developed by: CITB
Approved on: 2020

Overview

"This standard is about preparing for and installing insulation to roof, floor, wall and ceiling structures of contained frame and open framed components (including loft conversions or building extensions) interpreting information, adopting safe, healthy and environmentally responsible work practices, selecting and using materials, components, tools and equipment
This standard is for people working in the occupational area of insulation and building treatments and can be used by installers, supervisors and managers"


Performance criteria

You must be able to:

"P1  interpret the given design information relating to the work and resources to confirm its accuracy, completeness and relevance to the building type, fabric and condition for the following:
1.1   drawings
1.2   specifications
1.3   schedules
1.4   method statements
1.5   risk assessments
1.6   manufacturers’ information
1.7   data sheets
P2  comply with the given, relevant legislation, standards and official guidance to carry out your work and maintain safe and healthy work practices relating to the following:
2.1   methods of work
2.2   safe use of health and safety control equipment
2.3   safe use of access equipment and harness systems
2.4   safe use, storage and handling of materials,
        tools and equipment
2.5   specific risks to health including mental health
2.6   specific risks associated with ventilation and
        combustion appliances
P3   select the required quantity and quality of resources for
       the methods of work
3.1   check the suitability, compatibility and characteristics of
        the materials, components, fixings and finishes and determine
        if they are moisture open or moisture closed and their impact
        on the building
3.2   record and report issues or defects
3.3   select tools and equipment
P4   comply with organisational procedures to minimise the risk
       of damage to the work and surrounding area by:
4.1   protecting the work and its surrounding area from damage
4.2   maintaining a safe, clear and tidy work area
4.3   disposing of waste in accordance with current legislation
P5  comply with the given contract information to carry out the
      work efficiently to the required specification by the following:
5.1  demonstration of work skills to, remove, measure, mark out, cut,
       line, level, drill, fit, fix, fill, finish, position and secure
5.2  carry out external and internal pre-installation check, assessing,
      recording and reporting issues to include:
      - suitable access
      - property suitability
      - structural integrity
      - dampness
      - decay
      - vents and ventilation
      - services (gas, electric, water, media cables)
5.3  use and maintain all work tools and equipment
5.4  prepare and remove existing defective insulation, boarding,
      breather membranes and vapour control layers
5.5  remove defective timber, localised plaster and render
5.6  fix finishing board, sheathing board and plasterboard
5.7  make good any marks or screw and nail holes
5.8  fit insulation between and/or to timber and metal studwork
5.9  carry out post installation checks to ensure insulation complies
       with the design
5.10  provide post installation advice and guidance to building
         occupants including homeowner packs
5.11  hand over and sign off to the customers satisfaction
P6   complete your work within the estimated, allocated time
       and performance requirements of the system design, method
       statement and the required standard"


Knowledge and Understanding

You need to know and understand:

"Performance Criteria 1
Interpretation of information
K1.  why organisational procedures have been developed and how
        they are implemented
K2.  types of information, their source, accuracy, completeness 
       and how they are interpreted in relation to:
2.1   drawings
2.2   specifications
2.3   schedules
2.4   method statements
2.5   risk assessments
2.6   design
2.7   standards
2.8   manufacturers' information
2.9   data sheets
2.10  official guidance
2.11  current legislation and regulations governing buildings
K3. the importance of organisational procedures to solve problems
      and why it is important to follow them
Performance Criteria 2
Safe work practices
K4. relevant, current legislation, standards and official guidance
      and how they are applied
K5. the types of fire extinguishers and how and when they are used
      in relation to water, CO2,foam, powder
K6. how emergencies should be responded to in accordance with
       organisational authorisation and personal skills in relation to: 
6.1   fires, spillages, injuries
6.2   emergencies relating to occupational activities
6.3   identification of and reporting of asbestos containing materials
K7. the organisational security procedures for tools,
      equipment and personal belongings in relation to:
7.1   site
7.2   workplace
7.3   siting and location of vehicles
7.4   company
7.5   customer
7.6   access equipment
7.7   material and waste storage
7.8   the general public
K8.  how to report risks and hazards identified by the following:
8.1   risk assessment
8.2   personal assessment
8.3   methods of work
8.4   suppliers and manufacturers' technical information
8.5   data sheets
8.6   statutory regulations
8.7   official guidance
8.8   Control of Substances Hazardous to Health (COSHH)
K9.  the accident reporting procedures and who is
       responsible for making the report
K10. why, when and how health and safety control equipment
        identified by the principles of prevention should be used in
        relation to:
10.1   collective protective measures
10.2  personal protective equipment (PPE)
10.3  respiratory protective equipment (RPE)
10.4  local exhaust ventilation (LEV)
K11.  environmentally responsible work practices to meet current
         legislation, standards and official guidance when dealing with
         potential accidents, health hazards and the environment in
         relation to:
11.1   confined spaces
11.2   at height
11.3   tools and equipment
11.4   materials and substances
11.5   movement and storage of materials by manual handling and
          mechanical lifting
Performance Criteria 3
Selection of resources
K12.  why the characteristics, compatibility, quality, uses,
         sustainability, limitations and defects associated with the
         resources are important and how defects should be rectified
K13.  the organisational procedures to select resources, why they
         have been developed and how they are used
K14.  how to confirm the resources and materials conform with the
         specification
K15.  how the resources should be used and how any problems
         associated with the resources are  reported in relation to:
15.1  protective sheeting
15.2  masking materials
15.3  warning signs
15.4  public protection equipment
15.5  insulation materials
15.6  sheathing board
15.7  timber and metal studwork
15.8  breather membranes and vapour control layers
15.9  fire stops
15.10 acoustic treatments
15.11 plasterboard or finishing board
15.12 vent sleeves
15.13 down lighters
15.14 primers
15.15 expansion and movement joints, compression joints
15.16 metal lath and plaster beads
15.17 seal tapes and joints
15.18 joint strips and mesh
15.19 plaster finish
15.20 sealants
15.21 mechanical fixing components
15.22 pre-formed trims
15.23 all work tools and equipment
K16.  how to identify the hazards associated with the resources and
         methods of work and how they are overcome
K17.  how to calculate the quantity, length, area and wastage
         associated with the method and procedure to install insulation
         to framed sections of buildings
Performance Criteria 4
Minimise the risk of damage
K18.  the importance of protecting the work and its surrounding
         area against the risk of damage
K19.  how to protect work and its surrounding area from damage by
         general workplace activities, other occupations and adverse
         weather conditions and how to minimise damage to existing
          building fabric
K20.  why and how the disposal of waste must be carried out safely
         in accordance with the following
20.1   current legislation
20.2   environmental responsibilities
20.3   organisational procedures
20.4   suppliers and manufacturers' information
20.5   data sheets
20.6   statutory regulations
20.7   official guidance
K21.  why it is important to maintain a safe, clear and tidy work
         area

Performance Criteria 5
Meet the contract specification
K22.  how the methods of work to meet the specification, are carried
         out and how problems are  identified and reported by the
         application of knowledge for safe, healthy and
         environmental  work practices, procedures and skills relating
         to the method and area of work
22.1 the suitability, compatibility and characteristics of the materials,
        components and finishes, and determine if they are moisture
        open or moisture closed, their impact on the building and
        their appropriateness to the design and physical application
22.2 how to record and report issues or defects with the materials,
        components and finishes
22.3 why it is important to explain installation procedure to building
        occupants to include but not limited to the following:
        - scope and work programme
        - safety requirements during the installation process
        - protection of property and personal items
        - specific benefits and implications to include homeowner
          information
        - agreed standards of making good
22.4 how to work with, around and in close proximity to plant and
        machinery
22.5 how to direct and guide the operations and movement of plant
        and machinery to ensure protection of a safe working
        environment
22.6 how to identify and follow the installation quality requirements
22.7 how and why it is important to check, record and report issues
        with construction ventilation, flues, chimneys and combustion
        air ventilators pre and post installation
22.8 why it is important to carry out external and internal
        pre-installation checks
22.9 how to carry out external and internal pre-installation checks,
        assessing, recording and reporting issues to include:
        - suitable access
        - property suitability
        - structural integrity
        - dampness
        - decay
        - vents and ventilation
        - services (gas, electric, water, media cables)
22.10 why it is important to ensure that all necessary repairs are
          completed prior to installation
22.11 how to identify when specialist skills and knowledge are
          required and report accordingly including but not limited to:
          - fire safety
          - acoustics
          - condensation analysis
          - electrical
          - gas
          - asbestos
          - Radon
          - rot
          - heritage
          - architectural features
          - ecology
          - ventilation
22.12 the relevance of an assessment of significance and how to
          recognise specific requirements for structures of special
          interest, traditional construction, hard-to-treat buildings and
          historical significance
22.13 how to identify, record, report and rectify unintended
          consequences not addressed in the design, including but not
          limited to the existence of: thermal bridges, thermal
          bypassing and water ingress, inadequate ventilation and
          condensation risk
22.14 why it is important to avoid unintended consequences
22.15 how to identify potential thermal bridges
22.16 weather restrictions of the frame materials when temporarily
          exposed to the elements
22.17 the implications of existing guarantees and warranties that
          may be compromised by the installation to include but not
          limited to:
          - blocked and restricted ventilation
          - windows and door replacement
          - firestops
          - weather seals
          - silicone weather proof coatings
22.18 how to protect adjacent surfaces
22.19 how to check for and protect hidden utilities
22.20 how to remove wall fixtures including but not limited to: light
          switches, radiators, down lighters, handrails, as necessary to
          install the insulation in accordance with the specification,
          design, drawings and method statements
22.21 how to prepare and remove existing wall lining, defective
          insulation, boarding, breather membranes and vapour control
          layers
22.22 how to remove defective timber, localised plaster and render
22.23 how to fix any holes, broken or damaged boards that form the
          backdrop for fixed insulation.
22.24 how to identify and report the existence of thermal bridges
          and water ingress not addressed in the design
22.25 how to ensure pre-installation material checks are within
          specified
22.26 how to cut, apply, fix or fit insulation between and to timber
          and metal studwork
22.27 how to ensure insulation thickness and type meets the design
          specification for fire, thermal and acoustic requirements
22.28 how to fit breather membrane and vapour control layer in
          conjunction with design, maintaining their integrity
22.29 how to fix finishing board, sheathing board and plasterboard
          in conjunction with design
22.30 how to apply mastic aesthetic sealant to all interface, joints
          and penetrations
22.31 how to make good any marks or screw and nail holes
22.32 how to scrim and tape joints ready for surface finish
22.33 how to reinstate fixtures and fittings
22.34 the different types of air and vapour control layers and
          breather membranes, where and how they should be used
          and why it is important to install them correctly
22.35 the importance of ensuring the integrity of air and vapour
          control layers and breather membranes following installation
          and the need to maintain continuity
22.36 why it is important to record and report unforeseen events
          including but not limited to equipment malfunctions,
          situations and faults not identified in the original design
22.37 why it is important to complete post installation checks in
          accordance with the design, method statement and
          installations operations manual and report issues to include
          but not limited to safeguarding the combustion ventilation
          and report defects
22.38 how to handover and sign off to the customers’ satisfaction
22.39 how to use all work tools and equipment
22.40 how to work at height using access equipment and harness
          systems
22.41 how and why maintenance of all work tools and equipment is
          carried out
K23. the importance of team work and communication
K24. the needs of other occupations associated with installing
        insulation to framed sections of buildings
Performance Criteria 6
Allocated time
K25. the programme of work to be carried out including the
        estimated and allocated time and why deadlines should be
        kept
K26. the types of progress charts, timetables and estimated times
        and the organisational procedures for reporting circumstances
        which will affect the work programme"


Scope/range


Scope Performance


Scope Knowledge


Values


Behaviours


Skills


Glossary


Links To Other NOS


External Links


Version Number

4

Indicative Review Date

2025

Validity

Current

Status

Original

Originating Organisation

CITB

Original URN

COSVR645

Relevant Occupations

Construction Operatives

SOC Code

8159

Keywords

Finishing board; Sheathing board; Plasterboard; Thermal bridges