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Insulation and building treatments

The suite contains National Occupational Standards (NOS) related to:

  • Wood Preserving and Damp-proofing
  • Wall Tie Replacement
  • Cavity Wall Insulation
  • Solid Floor Insulation
  • Under Floor Insulation
  • Cold Roof Insulation
  • Room in roof
  • Park Homes
  • Hybrid Wall
  • Insulate Framed Sections of Buildings
  • External Wall Insulation Boarder
  • External Wall Insulation Finisher
  • External Wall Insulation Boarder/Finisher
  • Internal Insulation (walls).

You can view individual standards on the NOS database, or by 


There are no current or planned reviews in this area. To give feedback or suggest a change, 

CITB manages the structures for vocational qualifications. We base the content for these structures on the relevant National Occupational Standards.

The structures are approved by employers and industry stakeholders. Training organisations base their courses on the structures.

See the current recommended qualification structure and national vocational qualification structure for this occupational area.

Recommended qualification structures

Recommended Qualification Structure for Insulation and Building Treatments (Construction) - Level 2 v6 (PDF, 35KB)

Recommended Qualification Structure for Insulation and Building Treatments (Construction) - Level 3 v1 (PDF, 38KB)

Structures for NVQs/SVQs

Insulation and Building Treatments (Construction) - Level 2 NVQ and TQT structure (PDF, 57KB)

Insulation and Building Treatments (Construction) - Level 3 NVQ and TQT structure (PDF, 79KB)

You can view individual standards on the NOS database , or by 

If you would like to suggest changes to the current standards or have a suggestion for the structures, please complete our Standards enquiry form.

You may also be interested in...

  • Scottish Qualifications Authority (SQA) 
    National accreditation and awarding body in Scotland for qualifications specifically for Scotland
  • Qualifications Wales 
    Regulator of non-degree qualifications and the qualifications system in Wales
  • CITB Northern Ireland  (CITBNI)
    Industry training board for Northern Ireland in partnership with CITB as the Sector Skills Council for Construction for qualifying the construction workforce activities in Northern Ireland
  • The ‘Register ’ of regulated qualifications in England and Northern Ireland for accredited qualifications.