The resealable vinyl tiles running the length and width so strong that joints up to 2 mm are formed in the longitudinal direction. These are optimal dirt collection. A complaint at the company. Gerflor fizzled because I bought the pads at Fa. Max Bahr, which no longer exists unfortunately. Totally incompetent advice after my complaint, when you considered just sending an Installation instructions for necessary because I would have moved the coverings on the wrong surface. And I have shown through photographs, that even the non-glued strips are well broken in as the bonded. Nevertheless advertise the easy way of laying continuing. Certainly, it is quicker than the laying of laminate and sees first good too. My advice: stay away, because according to industry standard shrinkage up to 4% of vinyl is permitted. How that looks then, can be seen in the photo.