We keep both hardboard and insulation boards at all of our sites across the UK. Hardboard is a rigid engineered panel with smooth faces. Its lightweight and versatile making it ideal for a wide variety of uses such as furniture backing and floor lining. Insulation board as the name suggests, is for lining walls and ceilings to provide insulation benefits. At International Timber we only buy from responsibly sourced channels, giving you complete peace of mind.