How to Become a Member

The National Insulation Association Membership is split into the following categories:

Installer - These members assess and install cavity wall insulation, external wall insulation, internal wall insulation,  loft insulation, draught proofing and other innovative solutions.

Associate - These members are interested and involved within the insulation Industry, they work directly with installers and manufacturers to create a better environment and deliver energy efficiency programmes.

Material Supplier/System Designer - These members manufacture and supply approved insulation material.

Affiliate - This category is open to organisations such as Charities, Trade Associations, Component Suppliers, Membership Providers, Suppliers to the industry and companies involved in environmental services or the construction industry who are not installers or manufacturers of insulation products.

Benefits of Membership

We are committed to delivering added value to our members through the provision of a range of support services.

Membership Policy and Criteria

All new members must have been trading for a period in excess of 12 months (except for Affiliate Members); they must also be able to supply the relevant company certificates for Employer's and Public Liability Insurance (a minimum requirement of £3m). Further details of financial and reference records that will be required at the time of application are detailed on the application. All new members must be approved by the appropriate standard required by the Association.

Membership Application

If you meet the criteria above and would like to apply for membership please click on the application form link below. Once completed please return the form along with payment and any additional paperwork required to the address stated on the form.

Download our Membership Application Forms:


Alternatively if you require further information please do not hesitate to contact us.



To support our members in maximising business opportunities and developing their businesses, whilst maintaining the professionalism of the industry.

We will achieve this by:


  • Provide a menu of services that meet the needs of our diverse membership.
  • Become the first point of contact for credible and informed advice.
  • Inform and advise members on new and changing legislation, regulations and schemes.
  • Represent members views and concerns to Scheme Managers.
  • Provide a framework for effective communications across the insulation industry.
  • Develop and monitor mechanisms to maintain industry standards.