Internal Wall Insulation System - Wood Fibre Board & Lime Plaster (IWI)

Transform your development project with our eco-friendly internal wall insulation system, combining natural wood fibre boards and breathable lime plaster for high-performance thermal efficiency and a healthier indoor environment.

Made-to-Order Internal Wall Insulation System

Our Internal Wall Insulation System - Wood Fibre Board & Lime Plaster is made to order to ensure it perfectly meets your project requirements. For a customised quote or to discuss your specific needs, please send us an email or give our team a call. We’ll provide expert guidance and pricing tailored to your project.

Key Benefits

• Enhanced thermal insulation & energy efficiency for lower heating costs
• Sustainable, natural materials made from renewable wood fibre
• Breathable lime plaster for moisture control and damp prevention
• Ideal for both historic buildings and modern homes
• Easy to install, perfect for eco-conscious homeowners and builders

System Components

Our system includes:

1. Steico Therm – a lightweight, rigid wood fibre insulation board
2. Insulated fixings suitable for timber or masonry walls
3. Glass fibre mesh for added durability
4. Breathaplasta lime plaster for a breathable, smooth finish

For pricing, technical guidance, or to view individual elements, please check the Insulation > Ecomerchant IWI category or contact our team.

High Performance & Durability

The combination of wood fibre boards and lime plaster creates walls that are thermally efficient, strong, and moisture-regulating. The lime plaster allows water vapour to escape, preventing damp and mould, while the wood fibre core provides excellent insulation and structural stability.

Applications

Perfect for:

• Residential homes
• Commercial buildings
• Retrofitting historic or heritage properties where breathability is essential
• This system supports energy-efficient building envelopes, reduces heating costs, and maintains a comfortable, healthy indoor climate.

Sustainability & Health

Made entirely from natural, chemical-free materials, this system is safe for families and individuals with sensitivities. The breathable nature of wood fibre and lime plaster regulates indoor humidity, promoting overall wellbeing while minimising environmental impact.

Installation & Maintenance

The lightweight yet sturdy boards are easy to handle and fit, with lime plaster applied directly for a smooth, durable finish. Maintenance is minimal—simply inspect plaster for cracks and repair as needed to preserve performance.

Why Choose Insulationbee / Insulation store?

Insulationbee delivers eco-friendly building solutions without compromising on quality. Our internal wall insulation system combines sustainability, durability, and high performance, helping homeowners and developers create greener, healthier spaces.

Investing in this system enhances comfort, supports energy efficiency, and contributes to a more sustainable future, with products selected to meet the highest environmental and quality standards.