Grouse Fibre – The protein fibre company Our Solution At Grouse Fibre we are creating a new material technology platform, using fibres made from protein.to provide a technical solution to peat-based growing mediums. Our Technology We combine the structural benefits of fibres with the chemical properties of proteins. Interested or want to partner with us? Click the button or email us directly at hello@grousefibre.com GET IN TOUCH Supported By