Seal Sixty

At Seal Sixty, we are a family-run business dedicated to creating warmer, more energy-efficient homes and commercial spaces across the South West. With over a decade of experience, we specialise in delivering PAS-approved cavity wall and loft insulation systems tailored to diverse clients ranging from homeowners to local authorities. Our commitment to quality is reflected in our growing list of accreditations and continuous training, ensuring every installation meets the highest standards of performance and safety. We prioritise customer satisfaction, offering a friendly, personalised service that treats every project as if it were our own family's home. Through government-backed schemes like the Great British Insulation Scheme, we help homeowners access funding for essential insulation upgrades, with over 700 successful installations completed to date. Our team of accredited professionals ensures each insulation system comes with a supporting warranty and building control notification, providing complete peace of mind for our clients.

We pride ourselves on transparency, with no hidden fees and a promise to handle all paperwork and funding applications on your behalf. Our track record includes partnerships with Ofgem-endorsed programmes and industry-leading manufacturers like Huntsman Building Solutions, ensuring technical excellence and compliance with evolving standards. From initial consultation to final installation, our process combines technical expertise with practical solutions to address unique property requirements while maintaining strict adherence to documentation standards for mortgage and property transactions. Whether you're seeking energy efficiency improvements or professional guidance on insulation systems, our dedicated team delivers reliable solutions that enhance comfort, reduce energy costs, and increase property value.