NSAI Agrément Registered Installers
NSAI Agrément offer registration to installers of Blown Loft Insulation, Full Fill Cavity Wall Insulation and External Insulation. To search a full list of all products and systems certified by NSAI Agrément go to
Search Agrément Certificates.
To find an NSAI Agrément registered Blown Loft Insulation company in your area check out our
Registered Blown Loft Insulation Installers Index. To become registered to this scheme please see application process below.
To find an NSAI Agrément registered Cavity Wall insulation installer in your area check out our list of
Registered Cavity Wall Insulation Installers.
Summary of Application Process for Full Fill Cavity Wall/ Blown Loft Registered Installer Scheme:
- Contact the Certificate Holder of the NSAI Agrément certified system for training in accordance to the Certificate and all other documents provided by the Certificate Holder. Search our database of Agrément Certified products for Full Fill or Blown Loft Insulation Systems.
- The Application must be submitted on the relevant Full Fill/Blown Loft Registered Installer Application Form. This form must be filled in by the 'Applicant' and signed by the ‘Certificate Holder’. Please submit completed form including assessment fee to the NSAI Agrément Department. Please see Schedule of CWI Fees.
- The CWI Assessment Contract form should be signed and returned to our department, keeping a second signed copy for the Applicants records.
- On receipt of completed Application Form, Assessment Fee and signed Assessment Contract the applicant shall be contacted by an NSAI Agrément Assessor to arrange an audit date. The applicant is subject to an assessment by NSAI Agrément prior to approval, and regular surveillance subsequently.
NOTE: The Applicant shall be audited against the Product Certificate requirements, the
CWI Scheme document requirements and all other documents provided by the 'Certificate Holder' and shall satisfy NSAI
- After approval, NSAI Agrément will carry out regular audits (typically one annual witness installation and one office audit), to confirm ongoing compliance with the NSAI Scheme. The number of witness audits should take into consideration the number of Supervisor/Teams and the number of Systems being used.
- Agrément regarding the ability to comply consistently with those requirements. Typically one site visit and one office visit. All significant issues shall be resolved prior to issue of an approval.