Order Helpline 01752 692 206

Steico Flex Woodfibre Insulation 40mm - 7.02m2 Pack

Product Code:
Est. Delivery: 45-60 Working Days
Shipping costs displayed in basket.
We can let you know when this product is back in stock.

This product is proving to be very popular and has unfortunately sold out.

Enter your email below and we'll notify you as soon as this product is back in stock:

Subject to stock availability, if products on a 24 hours service are ordered alongside products NOT on a 24 hours service, this may delay your whole order.

View Transport Policy

All delivery charges are included in the final shopping basket and are dependent on the products Scottish Highlands & the Islands where additional shipping charges will apply.

Please note that not all products will incur an additional delivery charge to the Scottish Highlands & the Islands – this is based on the costs from the manufacturer, distributor or courier providing shipping on our behalf. If your delivery address is in the Scottish Highlands and Islands, a member of our helpline team will contact you prior to processing your order should an additional delivery charge apply.

While we make every effort to ensure orders are delivered by the date required, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules.

Any variation to web delivery date given will be advised to you by email or telephone. If we are unable to make delivery because access is not possible, we reserve the right to make a failed delivery charge.

Or call our friendly team on 01752 692 206


Steico Flex is a versatile eco-friendly insulation batt suitable for insulating lofts, floors, walls, ceilings, partition walls, service zones & dry walling providing both thermal and acoustic insulation Steico Flex has a declared thermal conductivity of 0.038 W/mK.

Steico Flex is available in 5 different thicknesses 140mm, 100mm, 80mm, 50mm and 40mm (60mm is available but it is not a stocked product and only available in full pallets, call us to order)

What Are The Benefits To Steico Flex?

  • Eco-friendly
  • Versatile
  • High Density
  • Excellent insulation properties in winter and summer
  • Water vapour open for a healthy indoor climate
  • Climate regulating with a high absorption capacity
  • Reduces thermal bridges
  • Classified as non-irritant
  • Easily cut and handled
  • Semi-rigid for ease of installation – friction fit
  • Ecologically and environmentally accredited FSC certified
  • Recyclable
  • Steico Flex is a fairly solid insulation that has good compression resistance with little reduction of thickness over time
  • Steico Flex is a flexible product. Cut slightly oversize and flex the product into the gap to fit adjoining components.
  • Easy to handle
  • Eminently suitable for DIY insulation purposes and eco-friendly homes


Length: 1220mm
Width: 575mm
Thickness: 40mm
Boards per Pack: 10
Pack Coverage: 7.02m2
Thermal Conductivity: 0.038 W/mK
Fire Class: E - EN 13501-1
Material: Wood Fibres, Polyolefin Fibres, Ammonium Phosphate


Length 1220mm Thickness 40mm Width 575mm


Thermal Conductivity 0.038 W/mK Edging Square Edge Material Wood Fibre

Questions & Answers

There are currently no questions for this product.

Have a question about this product?


There are currently no reviews for this product

Products We Recommend


Product Enquiry Form

Steico Flex Woodfibre Insulation 40mm - 7.02m2 Pack

*Required Field

Would you like to empty your basket?

Yes No


It seems you are running an older version of Internet Explorer. Our site does not support these old browsers as they do not house the technology that allows our site to be safe and secure.

If you wish to access our site please either upgrade your browser or download an alternative.