To ensure the blocks won't move, install paver edging along the perimeter and place spikes after every foot. The final part is to add polymeric sand to fill the spaces between the blocks.

Fill The Gaps Between Pavers With Polymeric Sand Prevent pesky weeds from growing ... Sealant-wise, you're best buying ...

Weeds growing between pavers is the bane of ... Will Transform Your Space For the best results, here are some tips to ensure that you're applying polymeric sand properly. Ensure clear weather ...