Accredited Insulation Installers for Large-Scale Projects
We are PAS 2030–accredited, working with councils, housing providers, and contractors to deliver compliant insulation projects.
About Us
At Sealsixty, we are a family-run business committed to creating warmer, more energy-efficient homes and buildings across the South West. We specialise in delivering PAS-approved cavity wall and loft insulation systems to a diverse range of clients, including homeowners, landlords, housing associations, local authorities and councils.
Our commitment to quality is reflected in our growing list of accreditations and dedication to continuous training. Each insulation system we install is fitted to the highest standard and comes with a supporting warranty for your peace of mind, and if relevant, building control notification.
Supporting Councils & Housing Providers With Accredited Insulation Services
We’re more than just installers — we are a PAS 2030–accredited insulation contractor with a established experience in delivering high-quality cavity wall and loft insulation services across large residential portfolios.
Having delivered across a broad portfolio of residential installations, we are experienced in working to strict compliance standards, coordinating efficiently with occupants and managing agents to deliver projects on time and to specification.
We are now actively seeking to partner with local councils, housing authorities, and larger contractors who require a reliable, fully accredited installation team to support ongoing and future insulation programmes.
If you’re looking for a trusted insulation partner with the capacity and compliance credentials to deliver at scale, we’d welcome the opportunity to discuss your requirements.
Click here to enquire today!
Why choose us
• Reliable, Professional Service: As a family-run business, we treat every customer like part of the family. From start to finish, your project will receive the care and attention it deserves.
• Tailored Solutions: No two properties are the same, and neither are our services. We’ll work closely with you to develop an insulation plan that meets your specific needs.
• Accredited Professionals: We stay up to date with industry standards, certifications, and best practices to deliver top-quality results.
• Hassle-Free Funding Assistance: We’ll handle the paperwork and guide you step-by-step to secure insulation funding, saving you time, stress, and money.
• Trusted by the South West: With hundreds of successful installations and a growing base of happy customers, we’ve built a reputation as the go-to insulation experts in the region.
Let’s Work Together
Whether you’re a homeowner looking to make your home warmer and more energy-efficient, or a business, housing association, or local authority seeking a reliable insulation partner, we’re here to make the process simple, affordable, and stress-free.
At Sealsixty, we don’t just deliver services—we build lasting relationships based on trust, quality, and a shared commitment to energy efficiency. As a family-run business, we bring a personal touch to every project, treating your home or property with the same care and attention we would our own.
So why wait? Get in touch with us today to take the first step toward a more comfortable and energy-efficient future.
• Call us now at 01726 697 32 to speak with one of our friendly experts.
• Or, simply drop us an email at enquiries@sealsixty.com, and we’ll get back to you promptly.
Our services
RESIDENTIAL LOFT INSULATION
CAVITY WALL INSULATION
Cavity Wall Insulation Removal
MASONRY CREME WALL COATING
Airex smart ventilation
Estimated co2 reduction from loft insulation since 2021
Number of Installs
1515
Carbon Saved
1005.5 ton
Meters Installed
34557m2
*Calculation based on the average semi detached home saving approx. 602kg CO2 p/y after insulation upgrade.