Install internal wall insulation (IWI) - framed systems (metal or timber) - refresher

Category

Internal Wall Insulation

Duration

3.5 hours

Standard Overview

The purpose of this standard is to provide the learner with the knowledge and skills to support the following:

Scope:

• using health and safety control equipment
• giving good customer service and communicating with homeowners and building occupants
• selecting correct materials and components
• terminology in relation to IWI framed systems (metal or timber)
• carrying out pre-installation assessments
• preparing properties for the installation of internal wall insulation
• protecting and reinstate existing fixtures and fittings
• implications of existing guarantees and warranties
• installing internal wall insulation using framed systems
• understanding the moisture management strategy including: ventilation, thermal bridges, and air barriers
• understanding the consequences of installing IWI systems incorrectly and into the wrong property type
• checking flues and combustion air ventilation

Learner pre-requisites

Learners are required to have a good understanding of drawings and terminology, wall lining applications, fixings, tools, material handling, building types, and services.

Instruction/ supervision

As a minimum, course trainers must be able to demonstrate that, in relation to this standard, they have:

• an award in education and training (or equivalent, as per requirements for approved training organisations)
• at least 2 years industrial experience relevant to the scope of the standard
• a verifiable CV

Delivery Materials

All materials and equipment must be of a suitable quality and quantity for learner to achieve learning outcomes and must comply with relevant legislation.

Delivery – Learner / Trainer Ratio

The learning environment, class size and learner to trainer ratio must allow training to be delivered in a safe manner and enable learners to achieve the learning outcomes.

Allowed Delivery Methods

The following delivery methods may be used in the delivery of this standard:

• face to face learning environment only (such as classroom/workshop etc.)
• a blend of face to face and virtual
• a blend of face to face and e-learning

Is the training mainly practical or theoretical

This standard is to be delivered equally between the practical and theoretical elements of the training.

This standard is considered to be

This standard is considered to be set at an intermediate level.

Assessment Type

Formally Assessed

Assessment Pass / Fail Criteria

For the successful completion of training, learners must complete an end of course knowledge test that measures all learning outcomes and has a pass or fail criteria.

Where this training is assessed using multiple-choice questions, all learning outcomes must be covered over 20 questions and learners are required to achieve an overall pass mark of at least 80%.

Assessment Method

Methods of assessment considered appropriate for training delivered against this standard are:

• multiple choice questions
• short answer questions
• scenarios and case studies of realistic working environments
• practical assessment
• the trainer must be satisfied that the learner has achieved all learning outcomes

Name of proposed Recognised Organisation

CITB

Renewal

Refresher every 36 months

Buffer/grace period

3 months

Classification

Mandatory Refresher

Working Group Approval date

9th January 2024

Proof-Read Approval Date

7th December 2023

Review cycle

On request or 5 years from approval date.

Learning outcomes

Including additional guidance to support training delivery and final assessment

The learner will be able to:

Use health and safety control equipment safely, complying with the methods of work (MoW) and current legislation

Delivery guidance:

• an overview of MoW and current legislation
• the importance of complying with MoW and current legislation

Assessment criteria:

• demonstrate knowledge of MoW and current legislation
• demonstrate safe use of health and safety control equipment

Assessment specification:

• as per assessment methodology

Give good customer service, communicate clearly with customers, clients or building occupants, and resolve issues

Delivery guidance:

• the importance of giving good customer service
• the importance of explaining how the work will be carried out
• checking the customer, client, or building occupant’s, understanding
• resolving issues in a professional manner
• respecting resident’s property
• the handover process

Assessment criteria:

• group discussion and feedback on a customer service role model and what good customer service looks like
• what needs to be included in the handover process

Assessment specification:

• as per assessment methodology

Select the correct materials and components to install IWI using framed systems (metal or timber)

Delivery guidance:

• different types of materials and components
• the importance of adhering to manufacturer’s information
• types of fixing methodology
• dealing with defective materials and components

Assessment criteria:

• demonstrate knowledge of materials and components related to IWI framed systems (metal or timber)
• explain the procedures for reporting defective or incorrect materials and components

Assessment specification:

• as per assessment methodology

Understand the terminology in relation to installing IWI framed systems (metal or timber)

Delivery guidance:

• overview of terminology for the following:
• thermal bridging
• condensation
• moisture management
• airtightness

Assessment criteria:

• demonstrate knowledge of the terminology

Assessment specification:

• as per assessment methodology

Understand how to carry out pre-installation assessment

Delivery guidance:

• the importance of carrying out pre-installation assessment in relation to the following:
• causes of long-term issues with the building fabric
• structural integrity
• dampness
• vents
• services (gas, electric, water, media cables)
• thermal bridging
• hidden utilities
• the importance of ensuring the property is suitable to install IWI framed systems (metal or timber)
• recognising and determining when specialist skills and knowledge are required and report accordingly

Assessment criteria:

• demonstrate knowledge of how to carry out pre-installation assessment

Assessment specification:

• as per assessment methodology

Understand how to prepare properties for the installation of IWI using framed systems (metal or timber)

Delivery guidance:

• the importance of protecting the work and surrounding area
• the importance of removing and reinstating existing fixtures and fittings to their original status and condition

Assessment criteria:

• demonstrate knowledge of how to prepare the work, surrounding area, property, and fixtures and fittings
• demonstrate knowledge of how to remove and reinstate fixtures and fittings

Assessment specification:

• as per assessment methodology

Understand how to protect properties for the installation of IWI using framed systems (metal or timber)

Delivery guidance:

• the importance of protecting the work and surrounding area
• the importance of protecting the property including fixtures and fittings

Assessment criteria:

• demonstrate knowledge of how to protect the work, surrounding area, property and fixtures and fittings
• demonstrate knowledge of how to reinstate fixtures and fittings

Assessment specification:

• as per assessment methodology

Understand the implications of existing guarantees and warranties

Delivery guidance:

• the types of guarantees and warranties
• the implications on existing guarantees and warranties when installing IWI framed systems (metal or timber)

Assessment criteria:

• demonstrate knowledge of implications on existing guarantees and warranties

Assessment specification:

• as per assessment methodology

Install internal wall insulation using a framed system (metal or timber)

Delivery guidance:

• how to install internal wall insulation using a framed system (metal or timber)
• methods for minimising air leakage and thermal bridging

Assessment criteria:

• demonstrate the following skills to meet the requirements of BS8000 part 8 2023 in relation to plasterboard, plasterboard laminates, insulation, airtightness membranes, tapes, and sealants when:
• measuring
• marking out
• cutting, fitting, and positioning
• sealing and securing
• finishing

Assessment specification:

• as per assessment methodology

Understand the importance of ventilation as part of a moisture management strategy

Delivery guidance:

• the importance of identifying existing ventilation
• the long-term issues of poor ventilation
• maintaining ventilation
• installing additional ventilation

Assessment criteria:

• demonstrate a knowledge of identifying, maintaining, and installing, ventilation

Assessment specification:

• as per assessment methodology

Understand the importance of thermal bridges as part of a moisture management strategy

Delivery guidance:

• the importance and effects of thermal bridges
• identifying thermal bridges
• dealing with thermal bridges by maintaining airtightness and ventilation

Assessment criteria:

• demonstrate a knowledge of identifying and resolving thermal bridges

Assessment specification:

• as per assessment methodology

Understand how to install airtightness barriers as part of a moisture management strategy

Delivery guidance:

• why it is important to reduce unintended air movement
• installing airtightness barriers and associated accessories as part of the airtightness strategy, including:
• parge coats
• membranes (static and active)
• airtight mastic
• airtight tapes

Assessment criteria:

• demonstrate knowledge of why it is important to reduce unintended air movement
• demonstrate knowledge of installing air tightness barriers, the types and function of each type

Assessment specification:

• as per assessment methodology

Understand the consequences of installing IWI systems incorrectly and into the wrong property type

Delivery guidance:

• the importance of pre-installation assessments
• information sources such as system design, manufacturer’s guidance, and current legislation
• provide evidence of properties where IWI installation is incorrect or the wrong property type (photos, case studies)
• facts about the financial aspects of remediation
• disruption to customers, residents, and building occupants

Assessment criteria:

• demonstrate knowledge of how to assess the property is suitable to receive IWI
• explain how to install IWI correctly

Assessment specification:

• as per assessment methodology

Understand how to check flues and combustion air ventilation

Delivery guidance:

• the importance of checking flues and combustion air ventilation pre and post installation
• how to check flues and combustion air ventilation

Assessment criteria:

• demonstrate knowledge of checking flues and air combustion ventilation

Assessment specification:

• as per assessment methodology