Sisalwool is a Scottish natural fibre insulation company that supports the built environment's transition to low-carbon, high-performance buildings. Using renewable and recycled materials our insulation delivers excellent thermal, acoustic, and moisture-management performance while remaining easy and safe to install. Particularly suited to retrofit, heritage, and sustainable construction projects, Sisalwool helps create a healthier more energy-efficient buildings that are better for people, places, and the planet.