A bound substrate, such as concrete or wood, will retain moisture, rendering the binding agents in DANSAND Kerama® inactive. Whilst still allowing for water drainage through the joints to help provide ample drainage to your block paving. Airborne weed seeds: To avoid airborne seeds from setting roots, ensure that the joint is filled in its entire height – 20 mm minimum. Therefore, familiarise yourself with the applicable national and / or local regulations before starting the joint work. Item was brand new in original packaging and was few pounds cheaper than the average online retailer, so got a great bargain for original product.

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. A properly executed joint is at least 3 mm wide , well-compressed and completely filled to the edge or bevel of the stone. Though its natural weed-inhibiting abilities are great for regular use, it will struggle in block-paved patios that experience excessive weed growth.This Block Paving Sand is easy to use and optimised for narrow joints on patios, driveways and walking areas.

The solution is easy to maintain and can be used for new paving joints and for repointing of existing surfaces. This membrane is resistant to wind and weather and makes it impossible for weed seeds to penetrate into the joint. You also protect your paving in this way, avoiding subsidence, edge peeling, frost damage and so forth. With DANSAND ® NO GROW™, weeds have extremely difficult conditions to thrive – naturally and without the use harmful substances. With over 15 years of professional experience installing block paved drives, patios and footpaths, you’d better believe that our team has tried their fair share of jointing compounds.In a block paving installation with individual paver heights of at least 4cm and a joint width between 3-10 mm, one 20kg bag of Dansand No Grow will cover between 5-10 square metres. Although Dansand No Grow is more expensive up front than your average dry jointing sand, the long-lasting benefit of its hardened seal offers good value for money. If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. The product is dried and based on fine round-edged silica sand, which makes it easy to distribute in the joints. Read more about the condition New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable).

Dansand is one of the world’s leading specialists in the field of jointing sands, with their refined and kiln-dried silica sands being a popular choice in block paving projects across the globe. I purchased another product for my driveway, and it set fine as hard as concrete, but the odd small weed came through.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. The advantage is that the materials pack optimally and provide durable, stable and at the same time flexible joints.

There are essentially two types of weeds: Weeds that spread through a root network, and airborne weed seeds that settle in the joints. The NO GROW mixture consists of washed and dried silica sand as well as nutrient-poor minerals with a high pH value. The joint material is not classified as dangerous according to the Danish Ministry of the Environment’s rules for classification and marking. To prevent existing weeds from growing, all weeds – including weed roots – must be removed before grouting.DANSAND® NO GROW™ Joint Filling Sand has been developed to prevent weeds, but it is not a weed killer.