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).

It’s quite hard work to get an even result and a regular household sweeping brush gives a better result than a garden broom. Not convinced there is any active ingredient to prevent weed growth, as after a thorough clean and re-sanding with this product, I can still see weeds sprouting! However, since these areas are free from rain, excess salts and minerals from the filling material may migrate to the surface of the joints, causing white efflorescence. Dansand Top Lock ® is made entirely from silica sand, natural high pH minerals and a natural binding agent. Même s'il a toujours de petites repousses de temps à autre c'est une vraie réussite et je passe 30 mn à nettoyer le trottoir au lieu des 2h30 avant pour un résultat impecc.Dansand No Grow is a highly rated and versatile jointing compound made from high pH kiln dried sand, but how are you supposed to know whether that makes it the ideal patio grout for your block paving installation? If your substrate is concrete, recycled concrete or wood, it will retain moisture for longer, and Dansand Top Lock® will not be able to harden sufficiently to create a solid joint. With no more need for weekly weed-killer sprays, and a natural ability to allow rainfall and standing water to drain away beneath your block paving, Dansand No Grow requires almost no regular maintenance to ensure your block-paved patio remains clean, safe and structurally sound. This is often the result of excessive watering or of the paving not having been swept completely clean before watering.

LONG LASTING - Invest a little less energy into maintaining your paths, patios and drives ways and a little more time enjoying them! Whether you need to fill the joints in a newly paved surface, or just need to top up the existing joints, there is help to be found here on the site. I was considering Dansand No Grow Block Paving Sand - brushing it in with heavy brush then sweeping excess away with fine brush and misting with light spray from the hose pipe to set. I bought this product with intention of filling the narrow gaps of block paving the crushed gravels are large and doesn’t go through therefore Wasn’t good for me and wouldn’t recommend to anyone who has paved gap less than 1.It’s simple to use and effective at preventing weed growth for up to 10 years, allowing paved areas to stay attractive for longer. This allows for targeted protection only from unwanted plant life, with the surrounding flowers and bushes in your garden and around your paving installation completely free from environmentally unsafe chemicals or growth-inhibiting compounds. Once the paving is swept clean of all residual Dansand Top Lock®, use your garden hose with the nozzle set to mist.

You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. If you do use it then consider using a drive/patio sealant over the whole area which is my next plan. Dansand Top Lock® consists of oven-dried silica sand with a tiny amount of cement dust and a natural binding agent.

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. Paving stones must be laid on a sustainable gravel and sand layer in accordance with current standards for paving work. Ten copies of the print magazine, featuring exclusive interviews, product features and business advice. Weeds that are spread by the wind easily find a foothold between your tiles, especially if there is a lack of joint material. In addition, Active Products can source promotional merchandise, fill gaps in product ranges and provide new products to refresh seasonal best sellers.

You also protect your paving in this way, avoiding subsidence, edge peeling, frost damage and so forth. Have power washed my driveway due to dirt and weeds, I wanted something to fill the gaps and keeps the weeds away. Mix the filling material in a bucket or a wheelbarrow using a shovel to mix the mineral additives with the silica sand. This membrane is resistant to wind and weather and makes it impossible for weed seeds to penetrate into the joint.Dansand® joint filler is not a weed-killer; it creates a poor growth environment for weeds so that seeds cannot set root. Avant Tecno, a pioneering force in the compact loader industry, recently celebrated its 25th Anniversary in the UK with a spectacular event held at Carrow Road Stadium in Norwich, Norfolk. Our dark granite stone dust is a strong choice for both wide and narrow joints between concrete tiles and natural paving stones. Environmentally friendly and suitable for all outdoor block paving installations, Dansand No Grow is specially designed to prevent weed growth between blocks and pavers through a combination of organic minerals and a naturally high pH value.