The Whiteriver Heat Master Underlay is ideal for laminate and engineered wood flooring. It reduces noise, provides thermal insulation, and enhances floor stability. Its durable construction ensures long-lasting performance and easy installation. The underlay significantly reduces noise from wooden and laminate flooring, helping to level out any unevenness in the flooring and preventing overstraining on the floor boards. It is suitable for water-based underfloor heating systems. The underlay has a tog rating of 0.35, impact sound reduction of 20dB, and a compressive strength of very good. It also has a heat transfer resistance of 0.035k/W m^2. The underlay is available in a grey colour and comes in a roll size of 2mm x 1m x 10m, covering an area of 10m^2.