Description
S4Therm TR 11 is a high-performance, cement-based render for thermal insulation boards, containing polymer and pumice additives. This product provides excellent thermal, sound, and fire insulation properties, and is ideal for use on EPS, XPS, and rock wool thermal insulation boards. It is easy to apply and offers high durability and resistance to thermal shocks, water, and frost.
✅ Advantages:
- Easy to apply
- Suitable for hand and machine applications
- Provides excellent bonding to thermal insulation boards
- High flexibility and stability
- Resistant to thermal shocks, water, and frost
- Water vapor permeable, allowing the surface to breathe
- Prevents condensation, mold, and moisture buildup
- Can be overpainted
📌 Application Areas:
- Indoors and outdoors
- On thermal insulation boards such as EPS, XPS, and rock wool
⚙️ Technical Specifications:
| Property | Value |
|---|---|
| Chemical Structure | Cement-based powder containing polymer and pumice additives |
| Powder Density | ~1.50 gr/cm³ (±0.1) |
| Granulation | 1 mm plus sieve ≤ 1% (TS EN 1015-1) |
| Water Mixing Ratio | 5.75–6.25 L water / 25 kg powder |
| Bond Strength to Thermal Insulation Board | ≥ 0.08 N/mm² (TS EN 13494) |
| Thermal Conductivity | 0.61 W/mK (TS EN 1745 – Table A12) (P.50%) |
| Mass per Unit Volume of Fresh Mortar | ~1,500 kg/m³ (±100) |
| Compressive Strength (EN 1015-11) | ≥ 6.0 N/mm² |
| Capillary Water Absorption | ≤ 0.5 kg/(m².minute 0.5) (TS EN 1015-18) |
| Water Vapor Permeability | ≤ 15 (TS EN 1015-19) |
| Reaction to Fire | A1 |
| Pot Life | Up to 2 hours |
| Full Curing Time | 28 days |
| Consumption | 4.00–6.00 kg/m² (for 10 mm thickness) |
🛠️ Application Instructions:
- Ensure the surface is clean, smooth, and solid
- Mix with clean water until a homogeneous mixture is obtained
- Apply with a steel trowel or machine to achieve the desired thickness
- Ensure the first coat has set before applying the second coat
⚠️ Warnings:
- Do not apply in weather conditions below +5°C or above +30°C
- Avoid application on wet or frozen surfaces
- Wait 24–72 hours before applying the second coat, depending on weather conditions
🧽 Cleaning & Storage:
- Clean tools with water immediately after use
- Store in a dry, moisture-free area, unopened, for up to 12 months
🧯 Safety:
- Wear protective clothing, gloves, and masks during application
- Avoid contact with eyes and skin
- Keep out of reach of children
- Consult the Safety Data Sheet (SDS) for more details
