Steicoflex 036 50mm Wood Fibre Insulation 375mm

50mm STEICOflex 036 wood fibre insulation batts (375mm width) deliver sustainable, high-performance thermal and acoustic insulation from renewable wood sources. These flexible batts provide excellent thermal efficiency and moisture regulation, creating a healthier indoor environment whilst minimising environmental impact. Fully biodegradable and responsibly sourced, they represent a dependable option for contemporary UK construction projects.

Sourced from FSC-certified forests, the wood fibres ensure responsible forestry practices. The vapour-open, breathable design reduces condensation, improves air quality, and suits timber frame and narrow stud constructions perfectly, safeguarding your building's long-term integrity.

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

Key Benefits

• Model: Steico SteicoFlex 036
• Thickness: 50mm
• Board Length: 1190mm
• Board Width: 375mm
• Pack Quantity: 9
• Board Coverage: 0.446m2
• Pack Coverage: 4.01m2
• Weight/piece. [kg]: 1.115kg
• Pack Weight: 10.03kg
• Fire class (RTF) according to EN 13501-1: E
• Declared thermal resistance: [(m² K) / W]: 1.35
• 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 - suits 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 manufactured from natural wood fibres, providing an eco-conscious alternative to mineral wool and synthetic products. Its breathable composition helps manage temperature and moisture levels, contributing to superior indoor air quality and extended building durability. Particularly suited to low-energy and environmentally responsible construction schemes.

High Thermal Performance for Energy-Efficient Buildings

Delivering thermal conductivity of 0.036 W/mK, this 50mm product offers robust insulation against winter heat loss and summer heat gain. This performance helps minimise energy usage, reduce heating costs and maintain stable indoor temperatures year-round. Suitable for residential and commercial properties throughout the UK.

Excellent Acoustic Insulation

50mm STEICOflex 036 375mm provides outstanding sound absorption, effectively suppressing airborne noise and enhancing acoustic comfort. Ideal for walls, floors and ceilings in homes, offices, studios and mixed-use spaces where noise reduction is a priority.

Easy, Flexible Installation

These flexible insulation batts are engineered for straightforward, rapid installation between studs, joists and rafters. The 375mm width aligns with standard UK timber frame dimensions, whilst the flexible nature permits simple cutting and fitting around services and awkward areas. Equally suitable for professional and DIY applications.

Eco-Friendly & Sustainable Insulation Choice

STEICOflex 036 375mm supports sustainable construction practices. Wood fibres come from responsibly managed forests, and the product is entirely recyclable and biodegradable. Selecting this insulation reduces your environmental footprint whilst satisfying current UK building standards for sustainability.

Suitable Applications

• Homes: Boost comfort and lower energy bills
• Commercial buildings: Strengthen energy performance and sound control
• Studios & offices: Dependable acoustic insulation
• Renovations: Upgrade insulation with sustainable solutions
• New builds: Comply with modern low-carbon construction requirements

Healthier Indoor Environment

Formulated without harmful chemicals, STEICOflex 036 promotes a healthier living and working atmosphere. Its moisture-regulating properties minimise condensation and mould risk, fostering superior indoor air quality and occupant comfort.

Why Choose STEICOflex 036?

STEICOflex wood fibre insulation batts combine natural materials, outstanding thermal and acoustic properties, and straightforward installation. They represent an excellent choice for those seeking premium, sustainable insulation across the UK.

Info

Browse our full range of Steico Wood Fibre Insulation products. We deliver throughout the UK Mainland. To discuss product suitability for your project or request a quantity discount quotation, contact us on 02039519012 / 02038839057, email sales@insulationbee.co.uk or use Live Chat - Lowest UK Insulation Prices near me.