Rockwool EnergySaver

An entirely dry system utilising granulated Rockwool insulation blown into an external wall cavity to a predetermined density. No glues or catalysts are involved in the installation procedure. The system can be used for new or existing masonry cavity walls as well as certain types of non-traditional structures and is suitable for use in any UK exposure zone. Refer to Rockwool technical literature for types of non-traditional structures that can be insulated with Rockwool EnergySaver.

Non-combustible, achieving a classification of A1 in accordance with BS EN 13501-1.

Rockwool insulation products do not contain blowing agents with an ozone depletion potential (ODP) or global warming potential (GWP), are CFC-HCFC-HFC free and 97% recyclable. They will not react with metal components or cause loss of plasticiser from PVC cables and pipes.

General information

Uniclass 2015

Pr_25_31_48_48 Loose-fill mineral wool fibre insulationPrimary


P10/200 Insulation blown between studs

P11/220 Mineral wool cavity fill

P11/50 Injected cavity fill

Specification data - Loose-fill mineral wool fibre insulation

Product Reference

Rockwool EnergySaver

Third party certifications
  • 89/2316
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