This leveller contains 77% natural minerals and 36% recycled natural minerals. The product can be recycled. Keratech Eco R30 (C30-F6 pursuant to EN13813) and the fibre-bound Keratech Eco Flex (C20-F7 pursuant to EN13813) both have Kerakoll Green Building Rating Eco 4. These levellers can be walked on within two to three hours. The self-levelling levellers stand out due to their high levelling capacity.