Get A Quote - Finance Available from less than €10 per week*

CosyInsulation is the leading spray insulation specialising in new builds, residential homes, commercial premises and farm buildings.

  • Spray foam insulation is the most energy efficient and environmentally friendly insulation on the market
  • It comes with a lifetime guarantee from Cosy Insulation
  • Start saving on your heating bills immediately with instant results

Affordable Finance Options Now Available. Terms & Conditions apply*

Get a FREE quote and get ready to start saving €€€ on your heating bills

Get a FREE quote and get ready to start saving €€€ on your heating bills

Benefits of Spray Foam Insulation

Enjoy year round savings on your energy bills and a comfortable indoor climate in every season with our innovative and sustainable spray foam insulation.

Cut heating costs

Cut heating costs

Save up to 50% on your energy bills by reducing heat loss and retaining warmth

Eco friendly

Eco friendly

Our spray foam is a sustainable water blown solution with zero CFCs and no nasty chemicals

Cosy & comfortable

Cosy & comfortable

Enjoy added warmth in winter and mild temperatures in summer

Energy efficient

Energy efficient

Less energy is required for heating therefore reducing your usage and carbon emissions

Moisture control

Moisture control

Spray insulation controls moisture to help stop damp, mould and mildew

Noise reduction

Noise reduction

Cut out transfer of outside noise with this excellent soundproofing solution

Lifetime guarantee

Lifetime guarantee

A long term investment that will stand the test of time

Healthier home

Healthier home

Well insulated properties offer better air quality and protection from extreme external temperatures

Customer Reviews

Who we've worked with

Businesses we’ve worked with to improve their energy efficiency

Frequently Asked Questions

Find answers to common queries about spray foam insulation including everything from quotation to installation and customer care.


*Representative example: Finance agreement based on an average CosyInsulation installation value of €1,880 over 5 years at a fixed rate of 10% APR with no deposit required, the amount payable per month would be €39.55 per month, equivalent to £1.27 per day based on a 31 day calendar month. The total amount payable is €2,372.81. Cosy Insulation Limited is an Introducer Appointed Representative and provides a pure client Introduction through Flexifi Europe Limited, trading as humm and is regulated by the Central Bank of Ireland. Flexifi Europe Limited is registered in Ireland. Registered number: 600124. Registered office: Level 4, No. 5 Custom House Plaza, Harbourmaster Place, Dublin 1. The credit is subject to application and status.