Seal the seam with vinyl seam sealer.
Apliy vinyle seems.
Use a longer stitch than on a regular project typically 3 0 mm.
Away from the seam to guide the applicator nozzle but don t get sealant on the straightedge.
Apply a bead of seam sealant over the seam.
Traditionally vinyl tiles are manufactured in such a way that when they are installed they are tight and square to each other with no gaps in.
Roberts 7500 vinyl seam sealer is a strong and durable seaming adhesive.
Cover the seam with a transition strip.
Hold a straightedge about 1 4 in.
How to fill gaps between vinyl floor tiles.
When a room larger than 6 by 12 foot requires a vinyl floor you will need to correctly seam the material to ensure the floor remains waterproof.
How to seam vinyl flooring.
How to seam vinyl sheet flooring.
As for thread for sewing vinyl on most vinyl you can use general purpose thread but if you expect the seam will experience a bit of a stress use heavy duty thread.
This non flammable solvent free vinyl sealer saves time and costs compared to heat welding on commercial vinyl applications.