Does icynene spray foam have british board of agreement testing?

Yes.

Icynene Spray Foam Insulation is the only foam on the market to have achieved BBA, ETA and BDA Certifications and has been successfully tested and certified for applications directly to the underside of breathable and non-breathable roof membranes and felts.

It has received BBA Certification for this application.

Icynene absorbs the lowest amount of moisture and has the highest level of vapour resistivity of any soft foam on the market, so you’re in safe hands.