Blowing Wool - Supafil® 34

Supafil® 34


Masonry cavity walls


Blowing Wool


Supafil® 34 is a full-fill Glass Mineral Blowing Wool system, designed for use in external masonry cavity walls, offering the best thermal performance in the range. It is non-combustible with the best possible Euroclass A1 reaction to fire classification.


  • Water repellant and BBA certified for use in all exposure zones, including those in very severe areas.
  • Installed by approved technicians who bring product to site meaning no storage is required on site before installation, and no waste is left on-site post-installation.
  • Awarded the DECLARE 'Red List Free' label. Allows product transparency disclosure that identifies where a product comes from, what it's made of, and where it goes at the end of its life. 



Thermal Conductivity (W/mK) Euroclass Reaction to Fire Classification Pack Dimensions Packs per pallet
0.034 A1 1200x550x250 28

Certification & Memberships

Supafil 34 BBA logo - Certificate No: 11/4857 Supafil 34 BBA logo - Certificate No: 11/4857
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'