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Introduction to sealant application gunning techniques


Overview
The purpose of this standard is to provide the candidate with the initial knowledge and skills to develop their gunning techniques for applying sealants.

CITB has developed this standard in discussion with industry

Duration

Minimum 2 days of 6 learning hours per day.

Purpose/Scope

The purpose of this standard is to provide the candidate with the initial knowledge and skills to develop their gunning techniques for applying sealants.

The scope of this standard covers:

  • safety measures and personal protective equipment (PPE)
  • gun types
  • apply and gun sealant to joints
  • mix multi-part sealant
  • clean tools and disposal of waste
  • manufacturer’s specifications
  • defects and reporting
  • measuring tools
  • regulations
  • locations for sealant use
  • substrates
  • uses/applications, coverage, technical data
  • advantages, colours, method of use
  • gun types, nozzle preparation.

Occupational relevance

Training delivered against this standard would be relevant to the following occupational groups:

  • operative and craft
  • supervision.

Candidate pre-requisites

The candidate pre-requisite for this course are successful completion of the following courses:-

  • BS8000 part 16 code of practice
  • Introduction to sealant application, preparation.

Instruction/Supervision

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

  • a train the trainer or instructional techniques course certificate
  • successfully completed training to this standard
  • achieved the NVQ Level 2 Certificate in joint sealant application
  • a verifiable CV.

Delivery

Delivery may be in an on or off the job environment.

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

The class size and candidate/instructor ratio must allow training to be delivered in a safe manner and enable candidates to achieve the learning outcomes.

The following delivery methods may/may not be used in the delivery of this standard:

  • classroom
  • workshop.

This standard is considered to contain 51% or more practical training.

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

Assessment

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

For the successful completion of training, candidates must complete a practical assessment.

Quality assurance

Quality assurance against this standard will require initial approval of the training organisation and their content mapped to the standard.

CITB will also conduct an approval intervention, either desk-based or centre visit, to ensure the training organisation can meet the requirements of the training standard.

Approved training organisations (ATOs) will be required to present information on records of training and assessment upon request to CITB for desk based analysis. They will also be visited annually by the CITB quality assurance team.

Renewal/refresher

No renewal/refreshment requirements - There are no mandatory renewal or recommended refreshment requirements for this standard.

Approval date

TBC

Review cycle

Either on request or in 3 years from approval date.

Learning outcomes

The candidate will be able to: Additional guidance to support learning outcome
Select and fit appropriate PPE  
Explain safety measures and safe working environments  
Recognise and select various gun types  

Identify nozzles used:

  • types
  • size
  • shape.
 
Apply and gun sealant using appropriate methods  

Mix multi-part sealant:

  • tools/equipment
  • mixing times
  • gun loading.

Utilise appropriate methods to clean tools/equipment correctly and dispose of waste in an environmentally safe way
Check equipment before use to manufacturer’s specifications
Interpret COSHH information from manufacturer spec. sheets, and other sources of information to assist in choice of PPE, emergency actions in case of accident and environmentally safe means of disposal
Identify the importance of method statements & risk assessment in the safety process
Read and interpret job sheets to identify correct tools and materials, and will understand company stock record systems  
Identify defects and report appropriately  
Use measuring tools  
List the regulations affecting the sealant industry  
List appropriate PPE  

Identify locations for sealant use, including:

  • concrete floors
  • masonry
  • soffits
  • window/door frames
  • work surfaces/sanitary ware
  • flashings.
 

Identify different substrates for application of sealants, including:

  • concrete
  • UPVC
  • stone
  • tile
  • brick
  • glass
  • aluminium
  • paint surfaces.
 

Explain the following with regards to sealants:

  • uses and applications
  • protection times
  • coverage
  • technical data
  • advantages
  • colours
  • method of use.
 

Interpret information from specification sheets as to:

  • material active life
  • curing times
  • technical data (including any relevant H&S information and emergency procedures in case of accidental spillage, inhalation or ingestion)
  • expiry dates – their significance
  • method of use – including any ppe
  • mixing techniques – including whether ventilated areas are required and why)
  • masking
  • storage requirements.
 

Additional information about this standard

Additional information is available from manufacturers' literature.

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