What is a U-value?
U-value tells us how well a material keeps heat in or out of a wall, roof, window and floor. The lower the U-value, the better the insulation
From DIY to Large-Scale Projects
National Insulation Supplies offer an extensive selection of high-quality insulation products from leading manufacturers like Celotex, Kingspan, Knauf, Rockwool, and Recticel, as well as innovative solutions from emerging brands. Explore our diverse range of insulation boards tailored for various applications, including floor, wall, roof, and cavity wall insulation. Our loft insulation options include a variety of premium products, such as loft roll designed to enhance energy efficiency in your building and even loft boards. We also provide specialised products such as fire protection insulation, acoustic insulation, and eco-friendly solutions. Whether you need insulated plasterboard, building membranes, or fire-stopping insulation, you’ll find the perfect solutions for your project at National Insulation Supplies.