Minimum order £500.00 Ex-VAT - Delivery Vehicle Access: 28 ton curtain-sided lorry off-load requirement.

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SuperFOIL Reflective Foil and Breather Membrane Products

SuperFoil, from Boulder Developments, offers a wide range of multi-foil products, as well as a breather membrane hybrid. Uniquely, Boulder makes SuperFoil SF60, the thickest (100mm) highest performing multi-foil product available in the market today.

SuperFoil application specific products are suitable for pitched roofs, flat roofs, lofts, walls, as well as solid and suspended floors.

Boulder also manufactures a non-combustible multi-foil and bubble-foil products. While we have access to the entire range SuperFoil Products, these items have not been included on this web site. Pricing for orders in excess of £500 (ex-VAT) is available upon request.

SuperFoil pricing normally sits at the lower end of the heat reflective membrane products spectrum.


SuperFoil SF19 40mm Multi-Foil Insulation

SF19's radiant reflective properties, deflect unwanted heat from solar gain in summer, while enhancing insulation in winter. SF19's air barrier properties can control air movement for further energy efficiencies. SuperFOIL SF19 is easier to handle, install, cut, and seal than any other form of building insulation, and lasts over 50 years with minimal loss of performance caused by dust, drafts, pests or osmosis.

SuperFoil SF19 - Uncompressed thickness = 40mm - Laminated aluminised polypropylene outer layers - Components = 19

Fuller details of this product are available: Click Here.


1. Click items below for pricing structure. 2. Click Tick-Box to select one or more items. 3. Click Add to Cart Button.

Please note that if these products are ordered as part of a larger order, there is a minimum spend requirement of £250 ex-VAT on these non-stock items, because they are delivered from a remote location.
The larger order made up of normal stock-items must achieve an additional minimum spend of £500+ excluding VAT

Our Prices are currently being revised please contact us for the latest prices

Our Prices are currently being revised please contact us for the latest prices


SuperFoil SF19 Plus 45mm Multi-Foil Insulation

SF19+ offers even more insulation that provide improved R-values (m²K/W). It is lightweight, flexible & easy to install, with U Value solutions as low as 0.1. SF19+ is even better for new build or retrofit, fits over or under rafter, and is manufactured from 40% recycled materials. Complete with LABC Registered System Approval

SuperFoil SF19 Plus - Uncompressed thickness = 45mm - Laminated aluminised polypropylene outer layers - Components = 11

Fuller details of this product are available: Click Here.


1. Click items below for pricing structure. 2. Click Tick-Box to select one or more items. 3. Click Add to Cart Button.

Please note that if these products are ordered as part of a larger order, there is a minimum spend requirement of £250 ex-VAT on these non-stock items, because they are delivered from a remote location.
The larger order made up of normal stock-items must achieve an additional minimum spend of £500+ excluding VAT

Our Prices are currently being revised please contact us for the latest prices

Our Prices are currently being revised please contact us for the latest prices


SuperFoil SF19BB 40mm Breather Membrane Multi-Foil Insulation Hybrid

SF19BB provides a barrier to the movement of air whilst allowing moisture to escape from the building reducing the risk of condensation and improving energy efficiency. The product replaces the top outer layer of that used in SuperFoil SF19, with a Breather Membrane, which brings all of the benefits of SF19 multi-foil with a time and spacesaving addition a robustBreather Membrane

SuperFoil SF19BB - Uncompressed thickness = 40mm - Perforated reflective foil + Reflective breather membrane - Components = 9

Fuller details of this product are available: Click Here.


1. Click items below for pricing structure. 2. Click Tick-Box to select one or more items. 3. Click Add to Cart Button.

Please note that if these products are ordered as part of a larger order, there is a minimum spend requirement of £250 ex-VAT on these non-stock items, because they are delivered from a remote location.
The larger order made up of normal stock-items must achieve an additional minimum spend of £500+ excluding VAT

Our Prices are currently being revised please contact us for the latest prices

Our Prices are currently being revised please contact us for the latest prices


SuperFoil SF40 60mm Multi-Foil Insulation

Superfoil SF40 Multi-Layer Insulation

SF40 is an extra performance multifoil insulation, that is extremely cost effective with a 68% increase in performance over our standard SF19 multifoil, and is guaranteed to beat any multifoil competitor product's R-Value.

SF40 combines the technical innovation of 55 layers and is configured for maximum efficiency, achieving higher values than previously thought possible within the industry. The enhanced thickness combined with radiant reflective properties and air barrier properties provide benefits over traditional (non reflective) open face insulation like glass fibre.

SF40 includes CE certified vapor and water barrier outer layers to help maximise roof and wall insulation with efficient use of space.

SuperFOIL products utilise the strongest multifoil material aiding installation and reducing waste. LABC registered detail makes Building Regulations simple.

SuperFoil SF40 - Uncompressed thickness = 64mm - Laminated aluminised polypropylene outer layers - Components = 37

Fuller details of this product are available: Click Here.


1. Click items below for pricing structure. 2. Click Tick-Box to select one or more items. 3. Click Add to Cart Button.

Please note that if these products are ordered as part of a larger order, there is a minimum spend requirement of £250 ex-VAT on these non-stock items, because they are delivered from a remote location.
The larger order made up of normal stock-items must achieve an additional minimum spend of £500+ excluding VAT

Our Prices are currently being revised please contact us for the latest prices

Our Prices are currently being revised please contact us for the latest prices


SuperFoil SF60 100mm Multi-Foil Insulation

SF60 has a total coverage 15m2 with a total thickness of 64mm, and is the premium multi-layer foil insulation that provides the ultimate performance, because it is the highest performing multi-layer foil insulation, with 53 layers of interlaced material achieving a tested R-Value of 4.643.

CE certified as a vapour and water barrier outer layers product. In Situ energy assessment indicates that multilayer foils have benefits over traditional (non reflective) open face insulation like glass fibre.

SuperFOIL also has the strongest multifoil material aiding installation and reducing waste. Whether insulating roofs, walls or a custom design, if your application requires the highest performing multifoil on the market, then SF60 is the only choice.

SuperFoil SF60 - Uncompressed thickness = 100mm - Laminated aluminised polypropylene outer layers - Components = 55

Fuller details of this product are available: Click Here.


1. Click items below for pricing structure. 2. Click Tick-Box to select one or more items. 3. Click Add to Cart Button.

Please note that if these products are ordered as part of a larger order, there is a minimum spend requirement of £250 ex-VAT on these non-stock items, because they are delivered from a remote location.
The larger order made up of normal stock-items must achieve an additional minimum spend of £500+ excluding VAT

Our Prices are currently being revised please contact us for the latest prices

Our Prices are currently being revised please contact us for the latest prices


SuperFoil SFUF Under-floor Multi-Foil Insulation

SFUF is the ideal for use with hot water underfloor heating systems, which reflects heat back into the room, at the same time improving airtightness and resisting the passage of moisture.

Incorporating 13 layers of reflective foil with thermo foam separation layers, topped with a PE layer, SFUF is the cheapest, thinnest, multi-layer foil thermal and acoustic insulation product for use with solid and suspended floors.

SuperFOIL SFUF can also be used to insulate in other areas, including walls and ceilings.

SuperFoil SFUF - Uncompressed thickness = 6mm - Laminated aluminised polypropylene outer layers - Components = 13

Fuller details of this product are available: Click Here.


1. Click items below for pricing structure. 2. Click Tick-Box to select one or more items. 3. Click Add to Cart Button.

Please note that if these products are ordered as part of a larger order, there is a minimum spend requirement of £250 ex-VAT on these non-stock items, because they are delivered from a remote location.
The larger order made up of normal stock-items must achieve an additional minimum spend of £500+ excluding VAT

Our Prices are currently being revised please contact us for the latest prices

Our Prices are currently being revised please contact us for the latest prices


Product availability indicators

Price and Availability Advisory: SuperFoil Range of Reflective Insulation Products

Presently there are no availability restrictions, apart from manufacturing lead-times and minimum quantity order levels on certain product sizes. Observe the 'Star Rating' indicators to assess availability.

Excellent = Product Availability Excellent Good = Product Availability Good Fair = Product Availability Fair Poor =  Product Availability Poor Undetermined = Product Availability Undetermined
Availability relies on stock levels at closest depots and upon transport logistics to effect deliveries


Priced on Application:

SuperFoil products are available for next working day delivery (if ordered before 10am).

Estimates for large quantity orders can be priced on application. Please contact us to discuss such matters.

Contact us directly for further information: Telephone 0333 8000 828  - Email: Click Here:



Contact Manufacturer

Boulder Developments Limited - SuperFoil

SuperFOIL, BHF Main Street, Norwell, Newark, Notts, NG23 6JN

Telephone: +44 (0) 1636 639 900
Fax: +44 (0) 1636 639909
Email: admin@superfoil.co.uk
Web site: Boulder Developments - SuperFoil

Contact us

Insulation Online Limited

27 Massetts Road, Horley, Surrey, RH6 7DQ, UK

Telephone: 0333 8000 828

Facsimile: 0333 7000 797

Email: enquiries@insulation-online.com

Web site: www.insulation-online.com

insulation-online.com - we always deliver top quality products, competitive pricing and an efficient caring service