vdw 800 Paving Joint Mortar Basalt, 25 kg – water-permeable 2-component joint mortar based on epoxy resin
The vdw 800 paving joint mortar in basalt is a two-component, solvent-free, epoxy resin-based joint mortar for natural stone and concrete paving, slabs, and clinker bricks. According to the manufacturer, it is suitable for patios, paths, and areas with light traffic loads, is water-permeable, resistant to sweepers, and highly resistant to frost and de-icing salt. The minimum joint width is 5 mm, and one bucket contains 25 kg.
Who is this joint mortar suitable for?
Areas of application and selection criteria
Typical uses and points to check before processing:
- Terraces, paths, pedestrian zones and passages
- Areas with light traffic
- Natural stone paving, concrete block paving, slabs and clinker bricks
- Joint width consistently at least 5 mm
- Joint depth min. 30 mm, trafficked areas to full joint depth
- Processing at +7 to +30 °C
- Load-bearing, water-permeable substructure
- Create a test area beforehand, as discoloration is possible.
Your advantage when buying
The epoxy resin mortar is self-compacting, abrasion-resistant and suitable for vacuum sweepers; for narrow joints of 2 to 4 mm in concrete block paving, there is vdw VarioSand jointing sand .
What you should pay attention to when making your selection
The load, joint width and substructure are crucial, as the mortar cannot absorb any settling from the subsoil.
Joint geometry and consumption
For joint widths of 15 mm and above, the depth must be at least twice as large; for small paving stones with a 10 mm joint and a 30 mm depth, the manufacturer's table calculates a weight of approximately 8.1 kg/m².
Mixing and processing time
Resin and hardener are mixed with water in a ratio of 100:3.6; then, at 20 °C, there are approximately 15 minutes for processing.
Processing and application limits
Clean the area thoroughly beforehand, sweep away any residue with a damp coconut broom, cordon off for at least 12 hours; full reopening to traffic will take place after 7 days.
Product features at a glance
Technical data: vdw 800 paving joint mortar basalt, 25 kg
The most important information for planning and processing at a glance; the values are taken from the manufacturer's product information (as of March 2022).
| product | vdw 800 Paving Joint Mortar |
| Manufacturer | GFTK Gesellschaft für technische Kunststoffe mbH |
| Colour and packaging | Basalt; 25 kg in a PP bucket |
| Article numbers | EAN 4049617800234; Manufacturer No. 800004825; Shop Item No. 10974 |
| binder | Two-component, solvent-free, water-emulsifiable epoxy resin; mixing ratio A:B = 100:3.6 |
| Joint width and depth | Minimum 5 mm wide; minimum 30 mm deep, vehicular traffic to full joint depth; from 15 mm width, minimum twice the width as depth |
| strength | Flexural strength approx. 5.0 N/mm², compressive strength approx. 15.0 N/mm², modulus of elasticity approx. 3,400 N/mm² |
| Water permeability | 5.08 × 10⁻³ m/s (at 20% joint proportion approx. 60 l/m²/min) |
| processing | Approx. 15 min at 20 °C; air, substrate and material temperature +7 to +30 °C |
| Resilience | Barricade and protect against moisture for at least 12 hours; reopen to traffic after 7 days. |
| Consumption (per 10 mm joint depth) | Small plaster 100 x 120 mm: approx. 1.4 / 2.7 / 3.9 kg/m² with 5 / 10 / 15 mm joint |
| storage | 1 year, dry and frost-free |
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