Inject, blow or spray insulation to framed sections of buildings

URN: COSVR819
Business Sectors (Suites): Insulation and Building Treatments (Construction)
Developed by: Construction Skills
Approved on: 30 Aug 2020

Overview

This standard is about preparing for and injecting, blowing and spraying 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 installation 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 operative maintenance of installation equipment
2.6   specific risks to health including mental health
2.7   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 demonstrate work skills to, remove, measure, calibrate,

      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 installation equipment

5.4 remove existing defective insulation, boarding, breather

      membranes and vapour control layers

5.5 assemble and operate installation processing equipment in line

      with manufacturers and system manuals

5.6 prepare for and install insulation to framed sections of roof,

      floor, wall or ceiling structures, contained frame or open frame,

      to given working instructions, using at least one of the following

      methods

      - injected

      - blown

      - sprayed

5.7 calibrate equipment to measure density, flow and quality tests 

      to ensure they are in line with manufacturers specifications and

      material requirements

5.8 remove defective timber, localised plaster and render

5.9 fix finishing board, sheathing board and plasterboard

5.10 make good any marks or screw and nail holes

5.11 fit insulation between and/or to timber and metal studwork

5.12 clean and disassemble installation processing equipment and

       pack away for transportation

5.13 carry out post installation checks to ensure insulation complies

       with the design

5.14 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   suppliers and 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. the information for relevant, current legislation, standards and

      official guidance and how it is 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   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 pre-formed trims
15.22 all work tools and installation 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 of materials required and used

         to ensure, adequacy of fill as per system designer specification

         and wastage associated with the method and procedure inject,

         blow or spray 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 weather restrictions of the frame materials when temporarily

          exposed to the elements

22.15 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

22.16 how to protect adjacent surfaces

22.17 how to check for and protect hidden utilities

22.18 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

22.19 how to prepare and remove existing wall lining, defective

          insulation, boarding, breather membranes and vapour control

          layers

22.20 how to remove defective timber, localised plaster and render

22.21 how to fix any holes, broken or damaged boards that form the

          backdrop for fixed insulation.

22.22 how to identify and report the existence of thermal bridges

          and water ingress not addressed in the design

22.23 how to ensure pre-installation material checks are within

          specified parameters to include checking and recording batch

          number and reporting defects

22.24 how to calibrate equipment to measure density, flow and

          quality tests to ensure they are in line with manufacturers

          specifications and material requirements

22.25 how to inject, blow and spray insulation between and or to

          timber and metal studwork

22.26 how to ensure insulation thickness and type meets the design

          specification for fire, thermal and acoustic requirements

22.27 how to fit breather membrane and vapour control layer in

          conjunction with design, maintaining their integrity

22.28 how to fix finishing board, sheathing board and plasterboard

          in conjunction with design

22.29 how to apply mastic aesthetic sealant to all interface, joints

          and penetrations

22.30 how to make good any marks or screw and nail holes

22.31 how to scrim and tape joints ready for surface finish

22.32 how to reinstate fixtures and fittings

22.33 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

22.34 the importance of ensuring the integrity of air and vapour

          control layers and breather membranes following installation

          and the need to maintain continuity

22.35 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

22.36 how to clean and disassemble installation processing

          equipment and pack away for transportation

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 installation 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 injecting,

        blowing and spraying insulation to framed sections of

        buildings

Performance Criteria 6
Allocated time
K25. the programme of the 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

1

Indicative Review Date

30 Aug 2025

Validity

Current

Status

Original

Originating Organisation

CITB

Original URN

COSVR819

Relevant Occupations

Construction Operatives

SOC Code

8159

Keywords

Finishing board; Sheathing board; Plasterboard; Thermal bridges