How to choose the best contractor for aluminium foil insulation in Ireland
The Role of Aluminium Foil in Building Insulation
In the construction industry, 'aluminium foil' does not refer to kitchen wrap, but rather to heavy-duty vapour control layers (VCLs), foil-faced insulation boards, and multi-foil insulation blankets. These materials are critical for reflecting radiant heat, preventing damp, and sealing homes to meet strict nZEB airtightness standards. Finding a contractor skilled in installing these systems correctly is vital.
What to Look For in an Insulation Contractor
Proper installation of foil-faced vapour barriers is highly technical. If joints are not sealed correctly, moisture can get trapped behind insulation, leading to rot. When vetting a retrofit specialist or general builder, check for the following:
- SEAI Registration: Ensure they are registered with the Sustainable Energy Authority of Ireland (SEAI) to qualify for energy efficiency grants.
- Airtightness Experience: Ask for their blower-door test history on previous projects.
- Quality of Tapes and Sealants: A good contractor will use premium acrylic airtightness tapes, not cheap duct tape, to seal foil seams.
Grants for Insulation Upgrades
Irish homeowners can access substantial SEAI grants for attic, wall, and underfloor insulation upgrades. Often, these systems combine foil radiant barriers with standard mineral wool or PIR boards. Working with an SEAI-approved contractor ensures that all materials meet the building regulations and that your grant application is approved without issues.
To hire vetted insulation specialists and building contractors in Ireland, visit Cills.ie to create a free account and download the mobile app.