It’s simple to use and effective at preventing weed growth for up to 10 years, allowing paved areas to stay attractive for longer. I contacted Dansand and they said that I probably did not follow the instructions and that they have not had any other complaints and weeds do grow though this product. As the water evaporates, the solution solidifies into a glassy solid (I guess this glues the sand particles together keeping them in the joint, keeping dirt out, and preventing root establishment). Hi what I would suggest to do would be put in kill dried sand so the blocks are secure for moving and then apply a liquid resin coating so it’s like a film on top of the block to stop the growth of weeds coming back through and algae and grime.

If you have a PayPal account, it is quick and easy to pay for your Charles Watson products using your account and PayPal Express. The amount of sand in the joints will gradually reduce over time due to rain or traffic on the paving – particularly if the joints are too wide. In addition, Active Products can source promotional merchandise, fill gaps in product ranges and provide new products to refresh seasonal best sellers. It’s quite hard work to get an even result and a regular household sweeping brush gives a better result than a garden broom.Scientific studies have shown this ready to use blend of kiln-dried sand along with special minerals keep weeds at bay due to its naturally high levels of pH. DANSAND ® joint filling sand has an optimal grain curve, which means that the material packs well in the joints. Dansand Top Lock ® is made entirely from silica sand, natural high pH minerals and a natural binding agent.

Dansand No Grow’s primary benefit lies in its natural ability to prevent weeds from taking hold within block paving joints. The ultimate goal is to AID water flow towards the house which has ACO drains around the edge to run the water away rather than have it spill into the gaps and into the ground around the house, missing the drains. DANSAND® NO GROW™ Joint Filling Sand has been developed to prevent weeds, but it is not a weed killer. Though its natural weed-inhibiting abilities are great for regular use, it will struggle in block-paved patios that experience excessive weed growth.

We have added a mineral additive to DANSAND ® joint filling sand, DANSAND ® Stone dust and DANSAND Kerama ®. The paving needs to be perfectly dry before you begin sweeping the joint filling material into the joints. The size and weight of your item will affect the supplier used, smaller items are delivered by Royal Mail and for larger items we use Parcelforce.