Method for manufacturing a carpet or a rug and a carpet or rug obtained thereby

Method for manufacturing a carpet or a rug, wherein the method comprises at least the following steps:

• the step of providing a primary backing;
• the step of tufting yarn at least into said primary backing;
• the step of activating a glue layer at least for partially fixing said yarn on said primary backing;
• characterized in that
• said primary backing comprises a sandwich consisting of, from top to bottom, a first primary backing, the glue layer, and a second primary backing;
• wherein
• said glue layer is a layer comprising continuous bicomponent filaments having a core comprising polyethylene terephthalate (PET) and a sheath comprising a copolymer of polyethylene terephthalate (coPET), wherein the glue layer has a ratio of PET/coPET of about 20/80 by weight;
• said first and second primary backings are layers of continuous bicomponent filaments having a core comprising PET and a sheath comprising coPET, wherein the PET is present in an amount of more than 50 percent;
• and
• said first primary backing has a weight of 100 grams per square meter or higher, and said second primary backing has a weight of between 40 and 85 grams per square meter.