Blowing Wool - Supafil® Frame

Supafil® Frame


Timber frame walls


Blowing Wool


Supafil® Frame is a glass mineral blowing wool, designed for use in either on-site or off-site frame construction, that offers a range of thermal performance options (depending on its install density in a required application) and consistent coverage.

Supafil® Frame is non-combustible with the best possible Euroclass A1 reaction to fire classification.

Supafil® Veil is a breathable opaque membrane which is fixed to the timber or steel frame to create a cavity into which Supafil® Frame insulation is blown.


  • A versatile product that can be used to insulate a variety of timber and steel frame applications.
  • Suitable to fill voids around pipes, wiring, other services and fittings, ensuring a complete fill maximising thermal and acoustic performance.
  • Made with a water-repellent additive to resist moisture ingress.
  • Installed by 'Approved Supafil® Installers', using specific blowing machines, hoses and nozzles as part of a system.

For historical versions of product documentation, or documents relating to any discontinued products, please contact us with your requirements at [email protected].  



Thermal Conductivity (W/mK) Euroclass Reaction to Fire Classification Packs per pallet
0.038 A1 28
0.034 A1 28
0.033 A1 28

Certification & Memberships

Eurofins Gold Eurofins Gold
Euroclass A1 Reaction to Fire Classification Euroclass A1 Reaction to Fire Classification
Green Guide Rating A+ Green Guide Rating A+
CE Marking CE Marking
EN 15804 EN 15804
Made in Britain Made in Britain
DECLARE 'Red List Free' DECLARE 'Red List Free'