NSAI Agrément issue technical certification for new and innovative products and processes in building and materials technology

To find an NSAI Agrément registered Cavity Wall Insulation installer in your area you can check the NSAI database.

To find an NSAI Agrément registered External Insulation installer in your area you can check the NSAI database.

NSAI operates a registration scheme that certifies testers to I.S. EN ISO 9972:2015 – Thermal Performance of Buildings – Determination of Air Permeability of Buildings 

In conjunction with increased insulation levels in the fabric of buildings, heat losses due to thermal bridging have become increasingly important. Search the NSAI Thermal Modellers Register here.

NSAI has established a registration scheme that certifies an individual as a competent independent third party to validate that a ventilation system has been installed, balanced and commissioned to meet the minimum requirements of Technical Guidance Document (TGD) F – Ventilation (2019) to the Irish Building Regulations.

Search for NSAI Agrément Window Energy Performance (WEP) certification. The WEP rating is provided for a standard window to represent typical window sizes. This enables a comparison between different products.

NSAI advise for homeowners is to follow the six step guide, as NSAI certification is not a legal requirement for insulation installers

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