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Which Insulation Contractor Should You Choose in Northern Ireland?

Review 8 insulation contractors across Northern Ireland, including Downpatrick, Dungannon and Ballyclare, and find out what each company offers. Consider customer feedback and business details, then shortlist providers who handle the type of insulation work you need.
County Antrim (3)
County Down (2)
County Londonderry (1)
County Tyrone (2)
Ballyclare (1)
Ballymoney (1)
Belfast (1)
Downpatrick (2)
Dungannon (2)
Limavady (1)
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One Step Insulation
Not rated yet
We are a family-run business with extensive experience in spray foam insulation.
Family-run insulation experts in Northern Ireland offering spray foam solutions for homes and businesses. Reduce energy bills by up to 50% with our BDA-certified, eco-friendly systems.
Spray Foam Insulation Residential Insulation Commercial Insulation
028 9521 1753 Call Profile
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Callan Insulation
33 Years
Not rated yet
We have over 25 years of experience in industrial insulation.
Callan Insulation offers tailored industrial insulation services across Ireland and the UK, specialising in HVAC, pharmaceutical, and marine sectors since 1993.
Industrial Insulation HVAC Insulation Pharmaceutical Solutions
028 4481 1099 Call Profile
Not rated yet
Cosy Insulation
Not rated yet
We offer a lifetime guarantee on all spray foam installations.
Cut heating costs by up to 50% with Cosy Insulation's eco-friendly spray foam solutions for homes, businesses, and farms. Lifetime guarantee, energy efficiency, and expert installation across the UK and Ireland.
Spray Foam Insulation New Build Insulation Retrofit Insulation
028 9447 7470 Call Profile
Not rated yet
PC Dynes Insulations
Not rated yet
We are BBA-approved specialists in cavity wall and loft insulation.
PC Dynes Insulations provides BBA-approved cavity wall and loft insulation services across Northern Ireland. Reduce energy bills with our eco-friendly Silver Bead and EcoBead systems.
Cavity Wall Insulation Loft Insulation EcoBead Insulation
028 8774 0145 Call Profile
Not rated yet
Alpha Insulation
9 Years
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Certified installers of Bonded Bead, Walltite, and Firetite insulation systems
Expert insulation services in Dungannon. Cavity wall, loft, and spray foam insulation solutions to reduce energy bills and improve thermal efficiency for homes and businesses.
Cavity Wall Insulation Spray Foam Insulation Loft Insulation
07850 551256 Call Profile
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TR Thermal Insulation
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We have over 60 years of experience in thermal insulation for industrial and commercial projects.
TR Thermal Insulation offers premium thermal insulation solutions across Northern and Southern Ireland. With over 60 years of expertise, we supply and install high-performance materials tailored to industrial and commercial needs.
Thermal Insulation Armaflex Insulation Mineral Fibre Insulation
028 2075 1792 Call Profile
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Ace Insulation
Not rated yet
Over 30 years of specialist spray foam insulation experience
Expert spray foam insulation services for homes and businesses across Northern Ireland. Reduce energy bills by up to 50% with our durable, airtight insulation solutions from trusted contractors.
Spray Foam Insulation Commercial Insulation Agricultural Insulation
028 7776 9212 Call Profile
Not rated yet
Certainfil Cavity Insulation
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We offer 25-year KIWA-certified guarantees on cavity wall installations
Certified insulation specialists in Belfast offering cavity wall, loft insulation, and extraction services with 25-year guarantees. 0% VAT available.
Cavity Wall Insulation Loft Insulation Partial Fill Insulation
028 9028 5315 Call Profile