joint welding for cushion floors. [Features] A joint welding agent for cushion floors. Be sure to use it for seam processing when installing cushion floors. Prevents dirt and peeling from entering the grout area from dust, water and entering, and leaves a beautiful single floor with excellent dimensional stability. The nozzle is T-shaped for easy use. Includes 2 fins that guide the extraction fins for a stable seal. How to Use: (1) Wipe clean dirt and debris from the adhesive part. (2) Then attach the dedicated nozzle to the tip of the tube. (3) Then insert the nozzle into the grout area, and gently press the tube while slowly moving it over the grout area. (4) Finally, pour the liquid into the grout area of 0.06 - 0.08 inch (1.5 - 2.0 mm) Fully bonds to the transparent layer and foam layer. (5) After sealing, please do not put it on the grout area for 15 minutes. Dries completely in one hour. Please follow the following precautions when this product adheres to your skin or inhaling steam may cause poisoning or other health disorders. Do not use in places with fire or static electricity. Local exhaust equipment is installed in the working site. When handling, do not touch the skin as much as possible, and if necessary, wear an organic gas disinfection mask or a gas mask, protective gloves, protective glasses, etc. After handling, please hand wash and rinse thoroughly. If you breathe steam, gas or other things and feel bad when you feel inhaled, please rest in a clean air area and consult a doctor if necessary. Temperature is 104°F (40°C).