McCormack Insulation - Cavity Wall and Attic Insulation Specialists

Insulation Expertise

Call us now - 0505 41961 Get a grant Reduce Heat Loss Thermobead Injected Cavity Wallbead Insulation System Building Energy Ratings (BER) for domestic homes

Cavity Wall and Attic Insulation

Installation of Cavity Wall and Attic Insulation can reduce heat loss by up to 50%

Cavity Wall Insulation

The Thermobead Injected Cavity Wallbead Insulation System can reduce the u-value of your property to 0.29 (W/m²K) in existing dwellings and up to 0.27(W/m²K) in new builds.

Glue is added to the bead to prevent sagging and further enhance the insulation properties of the bead.

We have a full Irish Agreement Accreditation - Certificate Number: 08/0320

Installation Process

  • Cavity Wall PictureSurvey completed by McCormack Insulation representative
  • Suitable time and date agreed with customer for installation
  • Holes drilled at approximately 600mm centres through external face of cavity wall
  • Walls pumped and holes filled with coloured mortar to match existing finish
  • Installation takes less than one day


  • Reduce heat loss through walls by up to 50%
  • Excellent Thermal Conductivity
  • High resistance to fire
  • Excellent sound barrier
  • Cost effective solution for new and existing buildings
  • Improves Building Energy Rating
Attic Insulation

Fibreglass blown loft insulation is mechanically installed and is quicker than roll and causes minimum disturbance to occupants and minimises thermal bridging. Roll out insulation also available.


  • Blown PictureSignificantly reduces heat loss through attic
  • Can be used on new and existing buildings
  • Minimises thermal bridging
  • Non combustible
  • No settlement
  • Does not rot or decay
  • Improves acoustic performance of ceiling
  • Does not offer sustenance to vermin
  • Improves building energy rating

Please don't hesitate to call us for a free quotation on LoCall 1890 252 972, 0505 41961 or email us. Alternatively you can use the enquiry form on our contact page.

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