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STEP 3 SQUARES: Secure & Infill  

Make any final adjustments prior to nailing. It is highly recommended to use our custom 4" galvanized "Small Head" turf nails (20D) and fasten every 6" to 12" inches along the perimeter edges 1" in from the outside edge of turf. When nailing, be sure to spread the turf away from the nail head so it doesn't trap any fibers. Additionally, add nails internally (around every paver) every 4"-6" on both sides 1" in from each edge, either aligned or alternating (see diagram below). Fluff or brush up the fibers around to cover the nail head, which should disappear in the thatch. 

PRO TIP: We have tested every nail on the market and although some other nails can work in a pinch, most will leave a visible nail mark or divot and take a lot of extra effort to hide. This makes a world of difference when installing hundreds or thousands of nails for your project. A nail divot will trap a clump of sand and become highly visible throughout the grid. You should not be able to see any nail divots in a successful installation. 


NEXT, add Infill Sand (Silica 16/30, 20/40 or Envirofill 16/30 size) SLOWLY by hand. Add 3-4 lbs per square foot (if your total project size is 500/SF then you will need about 350 lbs. of infill sand) of turf depending on your turf height & density. Add sand  by broadcasting along the grid lines in either direction, then using a "Deck Scrub Brush" brush sand against the fiber direction until it stands up evenly and sand is dispersed and not clumped. Be careful not to be too heavy handed (too much / too fast) and bury any fibers which will create an uneven surface. You should be adding enough sand to just below the paver surface throughout.  Repeat this step until desired finish & firmness is achieved. Tip: Use a shop vac to clean up the excess sand on the tiles and re-use.    

Paver Turf Grass Squares

You can use a shop vac to suck up and re-use any sand and a leaf blower to help disperse any clumps and to help with clean up afterwards.  Lightly spraying with water will also help to seat in the sand once completed. Rain will help this process as well.  You may need to apply sand in a few applications as it settles and you may lose some material with rain over time. 


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