A method for cleaning up several families of recycled materials resulting from the recycling of furniture, at least one portion of the recycled materials belongs to one of the following families: a first family grouping materials in majority comprising polyurethane, a second family grouping materials in majority containing latex, a third family grouping materials containing textile fibers and a fourth family grouping materials in majority containing wood, the method comprising the following steps: - a step for supplying recycled materials resulting from the recycling of furniture, these recycled materials containing an initial amount of at least one chemical compound from the following list: VOCs (volatile organic compounds), formaldehyde, dimethylformamide, chlorophenol; - a step for milling the different families of recycled materials treated separately; - a step for forming a non-consolidated material layer from milled recycled materials, two-component fibers being added to the milled recycled materials before the step for forming the non-consolidated material layer, - a heat treatment step, during which the milled recycled materials are brought to a temperature comprised between 150° C and 180° C having the effect of consolidating the non-consolidated material layer, the milled recycled materials at the end of the heat treatment step having a final amount of said chemical compound less than the initial amount. a first family grouping materials in majority comprising polyurethane, a second family grouping materials in majority containing latex, a third family grouping materials containing textile fibers and a fourth family grouping materials in majority containing wood, the method comprising the following steps: - a step for supplying recycled materials resulting from the recycling of furniture, these recycled materials containing an initial amount of at least one chemical compound from the following list: VOCs (volatile organic compounds), formaldehyde, dimethylformamide, chlorophenol; - a step for milling the different families of recycled materials treated separately; - a step for forming a non-consolidated material layer from milled recycled materials, two-component fibers being added to the milled recycled materials before the step for forming the non-consolidated material layer, - a heat treatment step, during which the milled recycled materials are brought to a temperature comprised between 150° C and 180° C having the effect of consolidating the non-consolidated material layer, the milled recycled materials at the end of the heat treatment step having a final amount of said chemical compound less than the initial amount. - a step for supplying recycled materials resulting from the recycling of furniture, these recycled materials containing an initial amount of at least one chemical compound from the following list: VOCs (volatile organic compounds), formaldehyde, dimethylformamide, chlorophenol; - a step for milling the different families of recycled materials treated separately; - a step for forming a non-consolidated material layer from milled recycled materials, two-component fibers being added to the milled recycled materials before the step for forming the non-consolidated material layer, - a heat treatment step, during which the milled recycled materials are brought to a temperature comprised between 150° C and 180° C having the effect of consolidating the non-consolidated material layer, the milled recycled materials at the end of the heat treatment step having a final amount of said chemical compound less than the initial amount.