40mm Steico Universal Dry Internal & External Wood Fibre Render Board

The 40mm Steico Universal Dry Wood Fibre Board is a high-performance, natural insulation board designed to provide a durable and breathable base for direct render or plaster finishes. Suitable for both internal and external wall applications, it delivers reliable thermal performance while helping to create airtight, energy-efficient building envelopes in line with modern UK construction standards.

Engineered for use on timber frame and masonry systems, 40mm Steico Universal Dry combines excellent insulation properties with structural stability, making it ideal for low-energy homes, retrofits, and sustainable building projects.

Key Benefits

1. Board size: 1,880mm x 600mm
2. Coverage: 1.067m² per board
3. Thickness available: 40mm
4. Weight /[kg/m²]: 7.2

The 40mm Steico Universal Dry Wood Fibre Board is designed to provide a stable, render-ready base for direct render and plaster systems in a wide range of UK construction projects. Its durable wood fibre composition supports the direct application of mineral or polymer renders, delivering long-lasting surface performance.

Key Features & Benefits

• 40mm Wood fibre insulation board suitable for internal and external wall systems
• Tongue and groove edges enhance wind tightness and ensure structural continuity
• Fully compatible with direct render systems, reducing installation complexity
• Manufactured in accordance with EN 13171 European standards
• Helps minimise thermal bridging, improving overall energy efficiency
• Provides excellent acoustic insulation and dependable fire performance
• Made from sustainably sourced, FSC®-certified wood
• Vapour-open and breathable, supporting healthy indoor environments

Application Instructions / How-To Use

1. Prepare the substrate, ensuring the surface is level and suitable for fixing
2. Position the 40mm Steico Universal Dry boards with the tongue and groove edges aligned
3. Fix the boards directly to timber frames or masonry using approved fasteners
4. Seal joints where needed according to the chosen render or plaster system
5. Apply the render or plaster directly to the board surface using suitable tools
6. Follow curing times and system guidelines specified by the render manufacturer
7. Store unused boards in dry conditions to maintain material integrity

Trust & Certifications

• Produced in accordance with EN 13171 for wood fibre insulation
• Made from FSC®-certified materials
• Part of an approved External Thermal Insulation Composite System
• Water vapour open for balanced building physics
• Non-toxic material derived from responsibly managed forests
• Supports sustainable construction principles

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 / 02039519012, email sales@insulationstore.co.uk or Live Chat - Lowest UK Insulation Prices near me.