Join Artificial Grass Seams with Tape and Adhesive

When your space needs more than one strip of turf, the seams have to disappear into the surface. Center the joining tape under the gap between two pieces, apply adhesive along the tape, and press the edges of both strips firmly down. Align the pile direction and keep the rows of stitching parallel so the joint reads as a continuous lawn. A strong, level seam is especially important over a dirt base, where any lift or gap shows quickly.

• Seam Gap Precision: Leave a 1/16-inch to 1/8-inch (2-3 mm) gap between adjacent turf backing strips when joining. Do not overlap backing edges, nor leave a gap wider than 1/8 inch—both create obvious visible seams once the grass blades are brushed upright.
• Thermal Expansion & Stretching: Pull the turf taut using a carpet stretcher or turf kicker before securing seams to prevent thermal buckling during hot summer afternoons.

Professional Seam Installation Tips:

Glue Thickness & Weather Factors. Even high-quality artificial turf will show visible seams or open joints if installation timing and environmental conditions are overlooked. To ensure invisible, long-lasting seams over a dirt base, follow these manufacturer-tested criteria:

• Adhesive Thickness & Coverage: Apply adhesive evenly across the seam tape using a notched trowel. Applying too much glue creates hard, raised ridges and blocks backing drainage; applying too little leads to seam separation under thermal expansion.
• Hot & Sunny Climates (Extreme Heat): Avoid gluing during peak afternoon sun. Direct sunlight and hot surfaces flash-dry the adhesive before you can position the turf, preventing proper chemical bonding. Lay and glue seams during cooler morning hours.
• Cold & Freezing Climates: Low temperatures significantly slow down glue curing times. Allow at least 24 to 48 hours of uninterrupted cure time before brushing infill or allowing traffic on the lawn.
• Precision Edge Trimming: Remove 1–2 tuft rows from factory edges before seaming. This helps eliminate tension irregularities and improves adhesive bonding.