Although the paving sand with weed killer is a little more expensive to buy initially than normal kiln dried sand. Buying the weed killing jointing sand should in the long-term help save you both time and money on maintaining you paving. It saves you money and time by not having to buy expensive weed killers.

Estimated consumption: Approx. 2,0 kg/m 2 at 3 mm joints. Our coverage calculator can help you calculate the amount you need.During joint filling and during the first days of hardening, the air and soil temperature must be at least 10 ° C. Compact the joints using a vibrating plate - do this at least twice. Use a protective rubber mat to protect the paving. 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. Problems The joint material must not be used in the joint directly against a plinth or other masonry. Use neutral joint filling sand here, as otherwise there is a risk of efflorescence or peeling The NO GROW mixture consists of washed and dried silica sand as well as nutrient-poor minerals with a high pH value. The high pH value causes weed seeds to dry out so that they cannot take root and germinate – in a completely natural way. The minerals dissolve slowly and can only be washed out after 10 years of rain. With the correct use of DANSAND ® joint filling sand, you get a great result that lasts for many years.

For new and existing paved surfaces of concrete and natural stone. Only to be used for outdoor use on a dry surface. Only suitable for an unbound base layer. Suitable for private use. Estimated consumption: 20 kg for approximately 5-10 m 2. For 14x21x5 cm paving stones with a joint width of 2–3 mm = 2.0 kg / m 2. Our coverage calculator helps you calculate the consumption of joint filling material. The filling depth must be at least 40 mm. The joint width must vary between 1-5 mm. If the paving is new, vibrate twice using a protective rubber mat on the vibrating plate to avoid damage to the paving surface. Paving stones are laid on a sustainable gravel and sand layer in accordance with current standards for paving work. The joint material is water-permeable like ordinary joint sand. Therefore, the base layer must also be water-permeable. I just jet washed my huge drive, next step is to kill the weeds and then I am looking to fill the huge gaps between the slabs. I am after advice on what to fill it with, keeping in mind the following:we are sorry to learn that you had a bad experience using DANSAND® NO GROW™. As we understand, you applied NO GROW in 2021. However, you do not specify which exact NO GROW product you were using. In the below answer, we will be assuming that you have used DANSAND® NO GROW™ Joint Filling Sand. The first option is to replace any lost sand as & when needed with Dansand. Simply put, instead of using ordinary kiln dried joint sand next time you just re-sand the joints of your pavers with Dansand.

We have added a mineral additive to DANSAND ® joint filling sand, DANSAND ® Stone dust and DANSAND Kerama ®. The mineral has a naturally high pH value, which creates a nutrient-poor environment in your joints. The weed seeds dry out and can neither take root nor germinate. Try to save any left over sand for future use in areas of paving you may have missed or is lost due to wind and rain.

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To avoid weeds and displacements in the coating, the joint must always be filled to the full height of the joint edge and be completely free of soil and other organic material. The coating is cleaned with a stiff broom and the joints are refilled as needed. Moss and algae can be removed by suitable means. Extreme weather conditions can cause white blooms in the joints and on the edges of the paving stones. However, they are usually washed off at the next rain shower. The salt deposits can also be removed by regular cleaning of the stones. We recommend a joint height of min. 4 cm when filling your joints to ensure that the roots of the seed do not have enough time to find nourishment, as it will dry out before then. Sweep the filling material into the joints using a soft broom. Sweep lengthwise and diagonally on the joints until they are completely filled. To avoid weeds and displacements in the paving, the joint must always be filled to the full height of the joint edge and be completely free of soil and other organic material. The paving is cleaned with a stiff broom and the joints are refilled as needed. Moss and algae can be removed by suitable means. Extreme weather conditions can cause white deposits (efflorescence) in the joints and on the edges of the paving stones. However, they are usually washed off at the next rain shower. The deposits can also be removed by regular cleaning of the stones. Dansand No Grow is widely available from many popular DIY and hardware retailers, commonly found in 20kg bags that should cover around 5-10 square metres each.