Techniseal Pro Poly Sand HP Nextgel Atlantic Tan Seed Quiet Operation: Just 58 dB(A)

Quiet Operation: Just 58 dB(A) — perfect for early mornings and quiet neighborhoods

Its 18” size allows you to create expansive patios

providing stability without added weight

and Visual SLAM for centimeter-level precision—even in areas with poor satellite signal

400 lbs/yd³ (dry)

Techniseal Pro Poly Sand HP Nextgel Atlantic Tan Seed Quiet Operation: Just 58 dB(A)50# Bag For a typical installation of Belgard Dublin Cobble pavers (which are 60mm or ~2 3 8" thick) using Techniseal HP NextGel polymeric sand, you will need approximately one 50 lb (22. 7 kg) bag for every 65 to 85 square feet for narrow, standard joints (1 8 to 3 8). For wider joints (closer to 3 4 to 1 1 4), coverage drops to roughly 22 to 42 square feet per 50 lb bag.