absorption) alongside strong thermal performance. We prioritise circular inputs — blending sisal and sheep’s wool with recycled fibres — including used coffee sacks from UK roasters and textile offcuts, and we operate return-for-recycling at end of life. As a Certified B Corporation, we’re part of a global community of businesses meeting high standards of social and environmental impact and committed to continuous improvement. Founded in Scotland, we support retrofit and new-build projects across the UK with practical guidance and specification resources.