A-Joint® Polysand Pro is the 1-component jointing sand for concrete and clay paver surfacing with very narrow joints from 1 mm. Permanently flexible, so no cracks occur, and load-bearing up to 40 tonnes.
Neatly laid cobblestones, pavers or concrete slabs with joints from 1 mm require a fine sand grading that completely fills the joint. A-Joint® Polysand Pro powered by ECCO is designed for that: the jointing sand sweeps easily into narrow joints, without you having to resort to wider joints or a different product system.
A-Joint® Polysand Pro powered by ECCO has unlimited working time: the binder is only activated by water, after sweeping in. For large surfaces, that means no time pressure, no mixing errors and no leftover waste. You work at your own pace, in sections, and only activate the binder once the surface is completely filled.
A-Joint® Polysand Pro powered by ECCO is low-dust and leaves no binder film on the stone surface. Result: the paving retains its original appearance, even with coated or porous stones.
A 1-component polymer jointing sand that fills narrow joints, remains permanently flexible and leaves no film on sensitive paving.
Do you want to use A-Joint® Polysand Pro powered by ECCO in your project, but don’t want to have any leftover or need to reorder? Calculate exactly how much you need in advance with this handy product calculator.
Suitable for heavy-duty paving and narrow joints:
Also suitable for DIYers renovating a patio or driveway at home.
Each product is tested for water permeability, hardness and durability before it is released onto the market. The values in the table below are for reference; actual performance may vary depending on the substrate and application.
| Property | Value |
|---|---|
| System | 1-component jointing sand (polymer) |
| Add width | 1–5 mm |
| Insertion depth | From 30 mm or 2/3 of the stone height |
| Tax | Up to 40 tonnes |
| Processing temperature | > 5°C on a dry surface |
| Processing time at 20°C | Unlimited |
| Load capacity at 20°C | Walkable after 3 hours, driveable after 3 days |
| Delivery method | PCR bucket of 25 kg |
| Shelf life | 24 months in original packaging, store in a dry place and protect from direct sunlight |
| Hardness | Approx. 60 A (according to Shore, DIN 53505) |
| Flexural strength | Approx. 5 N/mm² |
| Static modulus of elasticity | Approx. 2000 N/mm² |
| Density of hardened mortar | Approx. 1.6–1.7 kg/dm³ |
| Water permeability | 10⁻⁵ to 10⁻⁶ m/s (at 10% void ratio, approx. 5 l/m²/min, depending on the compaction) |
For private patios, pedestrian zones and public roads: the A-Joint® range offers a stable, water-permeable joint for every application.
