120mm Steico Special Dry Sheathing And Render Board

The 120mm Steico Special Dry Sheathing And Render Board provides a durable, sustainable solution for internal and external building insulation. Ideal for roofs, walls, and structural sheathing, it combines high thermal performance with eco-conscious design, making it perfect for UK residential, commercial, and low-energy projects.

Key Benefits

1. Thickness: 120mm
2. Length: 1880mm
3. Width: 600mm
4. Board Coverage: 1.128m2
5. Board Weight: 17.9kg
6. Declared thermal resistance [(m²K)/W]: 3.0
7. Thermal conductivity: 0.040 W/(mK)
8. Density: 140 kg/m³
9. Compression strength: ≥ 100 kPa
10. Fire classification: Euro class E
11. Edge profile: Tongue and groove profiles on all 4 edges
12. Ingredients: wood fibre, polyurethane resin, paraffin wax
13. Application: Suitable For Both Sheathing And Roofing
14. Produced and supervised according to: EN 13171, EN 14964

Versatile Applications

• Roofs & walls - thermal insulation and structural sheathing
• External insulation & cladding support
• Residential, commercial, and industrial projects
• Compatible with breathable roof and wall systems
• Easy to cut, handle, and install

Thermal Efficiency and Moisture Control

Crafted from sustainably sourced natural wood fibres, The 120mm Steico Special Dry offers excellent thermal regulation, keeping interiors warm in winter and cool in summer. Its high vapour permeability allows moisture to escape, reducing condensation risk and promoting a healthier indoor environment.

Durable and Strong

Lightweight yet rigid, the 120mm wood fibre insulation board is easy to handle and install while providing long-lasting protection. Its structural strength enhances wall and roof integrity, resisting extreme weather, rain, wind, and temperature fluctuations. This makes it ideal for roof sheathing, wall reinforcement, and external insulation applications.

Sustainable and Eco-Conscious

Made from renewable, biodegradable wood fibres, 120mm STEICO Special Dry is a safe, non-toxic choice for environmentally conscious builders. Its production minimises harmful chemicals, supports energy efficiency, and aligns with Passive House and low-energy building standards.

Why Choose STEICO Special Dry?

Protect your building while enhancing comfort and energy efficiency. With a focus on sustainability, moisture control, and long-term durability, this wood fibre insulation board is trusted by builders and architects across the UK for both new builds and renovation projects.

Info

Have a browse of our Steico Insulation products. We supply to the entire UK Mainland. If you’d like to talk through the suitability of some products for your project, or get a quantity discount quotation please call us by phone on 02039519012 / 02038839057, email sales@insulationstoreonline.co.uk or Live Chat - Lowest UK Insulation Prices near me.