Cloud 9 Cirrus 9mm Stair Runner Underlay The Cloud 9 Cirrus 9mm underlay is a high-density PU foam underlay made in England, designed for stair runners that need durability, comfort, and long-lasting support. With a 9mm thickness and density of 116kg/m, it offers superior cushioning and excellent shock absorption, helping to extend the life of your stair carpet. It also delivers strong thermal insulation with a 2.6 tog rating and reduces impact noise by 3941dB, making stairs warmer and quieter. Sized specifically for stair runners67cm wide in 5m, 5.5m, 6m, and 11m lengthsthis underlay reduces waste and simplifies installation. It features stretch fit technology for a smooth and secure fit and meets UK durability standards (BS EN 14499). If youre looking for a firm, comfortable, and efficient base for your stair runner, Cloud 9 Cirrus 9mm is a reliable choice. - RainbowHome Cloud 9 Cirrus Stair Runner Underlay in White - Size: 67 cm x 1100 cm