Knauf - Supafil® 34 - Knauf-Insulation-Supafil-34-Image-UK

Knauf - Supafil® 34 - Knauf-Insulation-Supafil34-Naked-05

Knauf - Supafil® 34 - Knauf-Insulation-150mm-Masonry-Cavity-Built-in-SF-2

Knauf - Supafil® 34 - MasonryCavity_Blown_Lifestyle_Cutaway

Certificates and Standards

CCPI Product - Verification Number 005800175/0727

Supafil® 34

Blowing Wool

Holds an Agrément certificate by the BBA for use in all exposure zones, including those in very severe areas.
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.

Downloads

Applications

Knauf - Knauf-Insulation-Supafil-34-Image-UK

Supafil® 34Blowing Wool

Description & Details Documents Certificates Product Variants & Packaging Similar Products

Description & Details

Supafil® 34 is a glass mineral blowing wool, designed for use in external full-fill masonry cavity walls. It offers thermal conductivity of 0.034 W/mK at the recommended density of 25kg/m3. Supafil® 34 is non-combustible with the best possible Euroclass A1 reaction to fire classification.

Holds an Agrément certificate by the BBA for use in all exposure zones, including those in very severe areas.
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.

Masonry cavity walls

Documents

Product Data Sheet
	Supafil® 34 Datasheet.PDF / Jul 2025 / 650.00 KB / 5 pages

Brochure
	Knauf Insulation Solutions Guide UK.PDF / - / 21.46 MB / 167 pages

Safety Data Sheet
	Blowing Wool - Safety Data Sheet.PDF / Feb 2025 / 160.00 KB / 7 pages

Environmental Product Declaration
	Knauf Insulation Supafil® 34, Supafil® Frame (0.034 WmK) EPD - EN - UK.PDF / Oct 2023 / 720.00 KB / 17 pages

Sustainability
	Glass Mineral Wool - BREEAM Helpsheet.PDF / Feb 2025 / 40.00 KB / 1 page

Declaration of Performance

Declaration of performance: B0709MPCPR
Declarations of performance (DoPs), safety data sheets (SDS), and environmental product declarations (EPD) for our offered products can be found via a central Knauf Insulation database.

Knauf Insulation DoP, SDS, EPD Files

Certificates

	Supafil® 34 Cavity Wall Insulation (New Build) - BBA Certificate - 11/4857.PDF / Dec 2023 / 680.00 KB / 1 page
	Supafil® 34 Cavity Wall Insulation (Retrofit) - BBA Certificate - 11/4857.PDF / Dec 2023 / 650.00 KB / 1 page
	CCPI Assessed Products Certificate - Supafil®.PDF / Jun 2025 / 170.00 KB / 1 page