Improve Energy Performance and Transform Your Building’s Exterior with External Wall Insulation

BlueBuild delivers end-to-end EWI solutions for commercial buildings — reducing heat loss, cutting energy bills, and giving your property a fresh, modern look.

Why choose External Wall Insulation?

Reduce heating bills
by up to 35%
Protect & refresh
exterior façade
Lower building carbon emissions
(BER/DEC improvement)

Suitable Property Types

Offices & Retail Units
Apartment Blocks & Mixed-Use Buildings
Schools, Healthcare & Care Facilities
Industrial Units & Warehouses
Hotels, Restaurants & Hospitality Venues

Our EWI Service Covers

Site survey, thermal imaging & specification
U-value and condensation risk analysis
Full render or cladding finish options
Planning and compliance guidance
Grant support and documentation
Certified installation with full quality control

Insulation Systems We Offer

EPS (Expanded Polystyrene)

Cost-effective and durable

Mineral Wool

Non combustible, breathable, ideal for high-rise buildings

Finish Options

Silicone or Acrylic Render, Brick Slips, or Decorative Cladding

Grant & Compliance Support

Looking for funding? Visit our Commercial Energy Grants Page for details on:

  • SEAI BEC and Exeed Programme
  • Invest NI Energy Efficiency Capital Grants
  • NISEP Commercial Support
  • Other regional or sector-specific funding options

We also handle:

  • Full documentation for Thermal Regulations
  • Support with BER/DEC improvements and NZEB standards

Benefits at a Glance

High-performance insulation: Up to 35% energy savings
External install: No disruption to internal operations
Modern façade finishes: Improves tenant appeal & building value
Long system lifespan: 25+ years with low maintenance
Grant-eligible works: SEAI, TAMS, LEO, and other supports

Why Work with BlueBuild

  • SEAI & NI-accredited commercial retrofit specialists
  • Certified, insurance-backed EWI systems
  • Over 13 years’ insulation experience across sectors
  • Scalable delivery for multi-site and large-scale projects
  • Dedicated project management from survey to completion

Frequently Asked Questions on Insulation for your home

We’ve answered some common questions to help you with any concerns

Yes — external works are scaffold-based and non-invasive. We schedule around business needs.

We advise on this — often not required for like-for-like finishes, but necessary in conservation or public-facing zones.

Yes — we only use fire-rated, certified systems suitable for commercial application.

Yes — we offer multiple finishes and colours to match your brand or planning needs.

Hear from Our Customers

  • Just had my house insulated by BlueBuild. Excellent job. First class workers , Madalin and his crew were great. Jason the Project manager very helpful on all occasions , everything done swiftly and 100% happy and would recommend this company.
    Colm Ennis
  • I got my house wrapped by BlueBuild. I'm ecstatically happy with the job. The lads worked very hard, neighbours are complimenting how it looks and telling me my bills will be reduced and I cant wait for that. The project manager Jason gave excellent service and kept me updated on all the work as it happened.
    Mary Robinson
  • I just had my home insulated by BlueBuild. I also had a heat pump and solar panels installed. My home is lovely and warm now. Thanks to Jason the project manager and Thanks to Alex and crew. Thank you BlueBuild for an excellent service.
    evelyn molloy
  • Jason and the gang have just recently compiled a full installation energy upgrade including heat pump ( photo attached). Fantastic crew who performed all tasks expertly and efficiently. We are extremely satisfied with everything and cannot recommend them highly enough.
    Mark Delany
  • We recently had exterior insulation installed on our home and couldn’t be happier with the experience. From start to finish, the project was handled with professionalism and care. A special thanks to Colm, our project manager, who was absolutely fantastic throughout. He was always available, kept us informed at every stage, and made the whole process feel smooth and well-organized. His communication and attention to detail really stood out. The installation team were equally impressive, skilled, efficient, and clearly very experienced. They worked diligently and respectfully. The end result has made a big difference to our home, both in terms of comfort and appearance.
    Shane Power
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