STEICO Universal is a rigid, breathable wood fibre insulation board designed for sarking applications in pitched roofs and external sheathing for timber frame walls. It provides exceptional thermal insulation, windtight protection, and moisture management, making it an ideal choice for new builds, renovations, and low-energy construction. Manufactured from sustainably sourced wood fibres, STEICO Universal enhances thermal performance while maintaining a vapour-open structure, ensuring a durable and healthy building envelope.
Key Benefits:
✅ Superior Thermal Performance – Low thermal conductivity (λ = 0.048 W/mK) enhances energy efficiency.
✅ Highly Breathable & Vapour Open – μ-value ≤ 5, allowing moisture to escape and preventing condensation.
✅ Weather-Resistant & Windtight – Protects against wind-driven rain and temporary exposure during construction.
✅ Enhanced Acoustic Insulation – Naturally absorbs sound for improved indoor comfort.
✅ Eco-Friendly & Sustainable – Made from natural wood fibres, fully recyclable, and free from harmful additives.
✅ Optimised for Roof & Wall Applications – Provides additional insulation and structural stability.
Applications:
🔹 Sarking Board for Roofs – Installed over rafters for additional insulation and weather protection.
🔹 External Sheathing for Timber Frame Walls – Enhances airtightness and thermal efficiency while maintaining breathability.
🔹 Heritage & Conservation Projects – Ideal for breathable wall and roof upgrades in older buildings.
🔹 Low-Energy & Passivhaus Construction – Supports high-performance building designs with natural insulation.
Technical Features:
- Thermal Conductivity (λ-value): 0.048 W/mK
- Density: >270 kg/m³ – Ensures durability and mechanical strength.
- Vapour Permeability (μ-value): ≤5 – Supports a breathable wall/roof system.
- Water-Resistant Surface – Protects against short-term exposure to the elements.
- Available in Various Thicknesses – Adaptable to different insulation requirements.
Why Choose STEICO Universal?
STEICO Universal is a high-performance, breathable, and sustainable insulation solution that enhances thermal efficiency, moisture management, and structural durability. Whether used for sarking applications or external timber frame sheathing, it ensures a highly efficient and long-lasting building envelope.
