Technical
Specifications engineered for the specifier.
Material composition, mechanical performance and installation data for GFRC, GRC and FRP elements from our workshop.
Technical specification
Engineered to measurable, published performance.
Ingredients, moulds and finishes are sourced from proven partners — NEG Japan for AR glass fibre, Reckli Germany and Duramould UK for mould systems, Bayer Germany for pigments.
Mix composition
- Cement (White / Grey)
- 46%
- Graded silica sand
- 45%
- AR glass fibre (NEG, Japan)
- 3.5–4%
- Polymer
- 2–4%
- Plasticiser
- 0.4–0.5%
Material properties
- Thickness
- 10–40 mm
- Weight
- 25–70 kg / m²
- Dry density
- 1.8–2.2 t / m³
- Colour
- Any earthen tone
- Texture
- Acid-wash · Stone · Plain · Metallic
Typical performance
Results at 30 days per BS EN 1170 test methods.
| Property | Machine spray | Premix casting |
|---|---|---|
| Glass fibre (AR) | 3.5 – 4% | 3 – 4% |
| Tensile strength | 6 – 11 MPa | 5 – 8 MPa |
| Compressive strength | 40 – 65 MPa | 35 – 55 MPa |
| Impact strength | 7 – 20 kg / m² | 7 – 15 kg / m² |
Start a project
Send us your drawings.
We'll cast the facade you have in mind.
Bring an architect's set, a mood-board or a single reference photo. We reply within two working days with material, moulding approach and an indicative budget.