Fill Joints with Polymeric Sand
At 0:15 in
accent day #unilock #hardscape
What happens here
The final step involves filling the joints between the pavers with polymeric sand. This specialized sand contains additives that bind together when wetted, locking the pavers in place and preventing weed growth and insect infestation. Spread the polymeric sand evenly over the entire patio surface. Using a stiff-bristle broom, sweep the sand into all the paver joints until they are completely filled. Make multiple passes in different directions to ensure thorough filling. After all joints are filled, gently remove any excess sand from the paver surfaces using a leaf blower or a fine-bristle broom. Finally, lightly mist the entire patio with a garden hose to activate the polymeric sand. Avoid over-wetting, as this can wash out the sand or create staining. The video shows a worker spreading material that could be polymeric sand (0:15-0:17), and the finished patio shots clearly show filled joints.
Goal: Lock pavers in place and stabilize the patio surface
Tools and materials
- Garden Hose — Lightly misting the patio to activate the polymeric sand
- Leaf Blower — Removing excess polymeric sand from paver surfaces before wetting
- Stiff-bristle Broom — Sweeping polymeric sand into paver joints
- Polymeric Sand — Filling paver joints to lock them in place, deter weeds, and prevent insect intrusion