SuperFOIL is the UK’s leading manufacturer and supplier of reflective insulation products, offering cost-effective, high-performance, and easy to install solutions for every application.

Boulder Developments, Since 1997
Founded in 1997, we are a family business with a purpose of helping people lead happier, healthier, and more sustainable lives. By manufacturing and supplying a range of premium insulation products we aim to improve the energy efficiency of Britain’s housing stock in an innovative and affordable way.

SuperFOIL, now a team of over 60 members, produces more than a million square metres of multifoil insulation products annually. Today, as a leader in reflective insulation, our principles of innovation, quality, and sustainability remain at the core of our business.

Discover the Difference
SuperFOIL is dedicated to enhancing people’s lives through our products and services. Our commitment to innovation and continuous learning has resulted in the production of multiple award-winning insulation solutions over the years. Today, we are leading the thermal insulation industry forward, with a unique blend of sustainability and innovation driving us forward.

However, SuperFOIL is about more than just exceptional products, we also excel in the service we provide. Our experts are the best in the country, and we have the reviews to prove it. With over 27 years of industry experience, we take pride in helping thousands of people every year to achieve the best solution for their projects.

What’s more, as a carbon-neutral business well on our way toward Net Zero, sustainability is at the core of everything we do. We take pains to ensure that each of our products align with our targets to reduce waste and emissions before ever reaching you. From recycling efforts to offsetting carbon, we are actively contributing to a better future, one step at a time. By choosing SuperFOIL, you become part of a truly sustainable future.

SuperFOIL - Model SFUF - Underfloor Insulation for Use In Solid & Suspended Floors - Brochure