Quality for Professionals
Renders, Mortars & Fillers
THERMO UNIVERSAL GRAY
Bonding and reinforcing EPS and graphite boards.
Details
Renders, Mortars & Fillers
THERMO FLEX
Adhesive & reinforcing mortar · Strong Fibre Technology
Fibre-reinforced adhesive and reinforcing mortar based on high-grade white Portland cement. For ETICS: bonds and skims EPS, XPS, rock wool, glass wool, graphite and mineral-fibre boards.
Fields of application
- Bonding and reinforcing all common insulation boards
- EPS, XPS, rock/glass wool, graphite, mineral fibre
- In two coats with alkali-resistant glass-fibre mesh
- For external façades and interior rooms
Technical data
| Form / Colour | Powder / White |
| Mixing water | 6–7 l / 25 kg |
| Application temperature | +5 °C to +30 °C |
| Open time (EN 998-1) | > 20 minutes |
| Adhesion | ≥ 0.3 N/mm² |
| Water absorption | Category Wc2 |
| Thermal conductivity | 0.55 W/m·K |
| Reaction to fire | Class A1 |
Pack sizes & versions
| Colour | Grain size | Packaging |
|---|---|---|
| White | 0–600 µm | 25 kg |
Application
Slowly stir 25 kg into 6–7 l of water and mix lump-free. On uneven surfaces use the bead-and-dab method; on level surfaces apply over the full surface with a 10 mm notched trowel (at least 40 % bonded area). Once bonded, fix mechanically with anchors.
Standard / certification: EN 998-1:2016 · GP-CS III, Wc2 · DoP 006/20.08.2025
Data sheet (PDF)
THERMO FLEX · PDF
Data sheet (PDF)
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Planning a project? We supply the right system.
New build, refurbishment or façade insulation – get in touch. We will put together the wall build-up for your project.