Steicoflex 036 90mm Wood Fibre Insulation 375mm

90mm STEICOflex 036 wood fibre insulation batts (375mm width) deliver a sustainable, high-performance thermal solution manufactured from renewable wood fibres. These batts combine excellent thermal efficiency with natural moisture regulation, enhancing indoor comfort whilst minimising environmental impact. Fully biodegradable, they represent a responsible, durable option for contemporary UK construction projects.

Sourced from FSC-certified forests, the wood fibres guarantee sustainable forestry practices. Vapour-open and breathable characteristics support healthy indoor air quality, minimise condensation issues, and suit timber frame and narrow stud applications perfectly, delivering dependable insulation whilst safeguarding structural integrity.

Looking for the 575mm Width Version ? Visit Steicoflex 575mm

Key Benefits

• Model: Steico SteicoFlex 036
• Thickness: 90mm
• Board Length: 1190mm
• Board Width: 375mm
• Pack Quantity: 5
• Board Coverage: 0.446m2
• Pack Coverage: 2.23m2
• Weight/piece. [kg]: 2.01kg
• Pack Weight: 10.04kg
• Fire class (RTF) according to EN 13501-1: E
• Declared thermal resistance: [(m² K) / W]: 2.50
• Declared thermal conductivity: 0,036 W/(m K)
• Density: 50 kg/m³
• Water vapour diffusion resistance factor µ: 2
• Specific heat capacity: 2.100 J/(kg K)
• Declared level of airflow resistance: ≥5 (kPa s)/m²
• Material: Wood Fibre
• Product type: Flexible insulation
• Ingredients: Wood fibres, polyolefin fibres, ammonium sulfate

Product Overview

• Width: 375mm - ideal for standard UK stud spacing
• Material: Natural, breathable wood fibres
• Performance: Thermal and acoustic insulation
• Sustainability: Eco-friendly, recyclable and biodegradable
• Installation: Lightweight, flexible and easy to fit

STEICOflex 036 is engineered from natural wood fibres, presenting an environmentally conscious alternative to mineral wool and synthetic products. Its breathable composition actively manages temperature and humidity levels, fostering improved indoor air quality and enhanced long-term building durability. Particularly suited for low-energy and sustainability-focused construction initiatives.

High Thermal Performance for Energy-Efficient Buildings

Delivering thermal conductivity of 0.036 W/mK, this 90mm product provides superior insulation against winter heat loss and summer heat gain. This performance reduces energy demand, lowers heating expenses and maintains stable indoor temperatures year-round. Appropriate for residential and commercial properties throughout the UK.

Excellent Acoustic Insulation

The 375mm batts deliver impressive sound absorption capabilities, effectively dampening airborne noise and enhancing acoustic performance. Suitable for walls, floors and ceilings, making it a preferred solution for residential properties, commercial spaces, studios and mixed-use buildings requiring noise reduction.

Easy, Flexible Installation

These flexible insulation batts are engineered for straightforward, rapid installation between studs, joists and rafters. The 375mm width aligns with conventional UK timber frame dimensions, whilst the flexible nature permits simple trimming and fitting around services and complex areas. Appropriate for both trade professionals and self-installation projects.

Eco-Friendly & Sustainable Insulation Choice

STEICOflex 036 375mm supports responsible building practices. Wood fibres derive from sustainably managed forests, and the product remains fully recyclable and biodegradable. Selecting STEICOflex reduces your environmental footprint whilst satisfying contemporary UK building regulations for ecological performance.

Suitable Applications

• Homes: Improve comfort and reduce energy bills
• Commercial buildings: Enhance energy efficiency and acoustics
• Studios & offices: Effective sound insulation
• Renovations: Upgrade existing insulation sustainably
• New builds: Meet modern low-carbon construction standards

Healthier Indoor Environment

Formulated without harmful substances, this product fosters a healthier indoor atmosphere. Its humidity-balancing properties prevent condensation accumulation and mould development, promoting superior indoor air quality and occupant health.

Why Choose STEICOflex 036?

STEICOflex wood fibre insulation batts merge natural materials, outstanding thermal and acoustic properties, and straightforward installation. They suit anyone pursuing high-performance, sustainable insulation solutions across the UK.

Info

Explore our complete Steico Wood Fibre Insulation range. We deliver throughout the UK Mainland. To discuss product suitability for your project or obtain a bulk quotation, contact us on 02039519012 / 02038839057, email sales@insulationbee.co.uk or use Live Chat - Competitive UK Insulation Pricing.