we put a paver and brick patio over a flagstone patio. The flagstone was a mess and the patio was too low. They filled the joints with what I think they said was portland cement and coarse sand that had shell bits in it. I am not sure about that but I need to repair ...
The bonding additives inpolymeric sandcause sand to harden when wet, much the way concrete powder hardens after mixing it with water. When used to fill gaps between pavers in a new or old flagstone patio, polymeric sand helps keep the pavers in place while inhibiting weed growth between paver...
Although given my patio is 25 years old, I would say it has held up well so far. But as you said, cracks will keep coming. How can I match the color w/ polymeric sand? Upvote #5 07-29-23, 11:44 PM Marq1 Member Join Date: Sep 2016 Location: USA MI ...