Cavity Wall Certification
Cavity wall insulation is a lifetime solution to excessive heat loss and has been tested and certified to remain effective for at least 30 years, providing that it is designed, installed and maintained in accordance with this Certificate.

Churchfield Green Energy works in conjunction with Polycomp Products Ltd and is a fully certified NSAI Installer. Our installer number is 13241 and one of the first installers to receive ISO 9001 certification also giving unprecedented peace of mind to its customers.

All of our installers has hugely experienced and have been fully trained to fit the product under the NSAI guidelines. This is a vital requirement when choosing a contractor.


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