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.
Apliy vinyle seems.
This non flammable solvent free vinyl sealer saves time and costs compared to heat welding on commercial vinyl applications.
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.
How to seam vinyl sheet flooring.
Cover the seam with a transition strip.
Hold a straightedge about 1 4 in.
Roberts 7500 vinyl seam sealer is a strong and durable seaming adhesive.
Those holes will weaken the vinyl and make it prone to tearing.
How to fill gaps between vinyl floor tiles.
This product is designed to economically seal seams in sheet flooring and keep debris and water from collecting in seams.
Nylon is the best second best would be 100 polyester.
Away from the seam to guide the applicator nozzle but don t get sealant on the straightedge.
How to seam vinyl flooring.
Use a longer stitch than on a regular project typically 3 0 mm.