50mm EPS70 Polystyrene Insulation Board 2400mm x 1200mm

URN: 3001220
£9.64ex. VAT £66.94 per m3
£9.64ex. VAT
£66.94 per m3
Bulk Discount
24+ boards 42+ boards 66+ boards
£9.54ex. VAT £9.44ex. VAT £9.35ex. VAT
Coverage required
m
m
Based on your total area of m2 (inc. 10% wastage) - of these are required (actual coverage of m2)

We recommend purchasing at least 10% extra product to allow for errors, damages or obstacles

EPS70 expanded polystyrene floor insulation board. Provides 70 kPa compressive strength for standard domestic floor applications. 50mm thickness suits upgrading insulation where depth is limited.

±6 Sold in multiples of 6

Nationwide Delivery

Tue 18 Nov

Order by 2pm today
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Product Overview

EPS70 expanded polystyrene floor insulation board. Provides 70 kPa compressive strength for standard domestic floor applications. 50mm thickness suits upgrading insulation where depth is limited.

URN: 3001220
£9.64ex. VAT
±6 Sold in multiples of 6
±6 Sold in multiples of 6

Delivery & Returns Information

How Our Delivery Works

We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.

Delivery Areas & Charges

Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, EH, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, SA, SY & TD
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.

Standard (Nationwide) Delivery

Insulation, Plasterboard and Drylining Products
ORDER VALUE DELIVERY CHARGE
Under £350 £35 ex. VAT
Over £350 ex. VAT FREE
Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
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Under £100 £20 ex. VAT
Between £100 - £300 ex. VAT £10 ex. VAT
Over £300 ex. VAT FREE
Screws & Fixings and Adhesives & Sealants
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Under £50 £5 ex. VAT
Over £50 ex. VAT FREE

Express Delivery

Express Delivery - Insulation and Plasterboard & Drylining
ORDER VALUE DELIVERY CHARGE
Under £400 £50 ex. VAT
Over £400 ex. VAT £35 ex. VAT
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £300 £50 ex. VAT
Over £300 ex. VAT £35 ex. VAT

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Returns

We offer a 30 day returns policy on any faulty products.

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Key Features

  • {{fitness_center}} Minimum 70kPa at 10% compression
  • {{assignment_turned_in}} Compatible with floors, walls, and roofs
  • {{blur_on}} Manufactured from expanded polystyrene beads
  • {{content_cut}} Offers easy handling and precise cutting

Technical Specification

Technical Specification
Product:EPS70
Material Type:EPS
Thickness:50mm
Width:1200mm
Length:2400mm
Sales Unit:Board
Sales Unit Coverage:2.88m2
Compressive Strength:70kPa
Thermal Conductivity:0.038W/mK

Product Overview

EPS70 Polystyrene Insulation Board with a 2400mm length, 1200mm width, and 50mm thickness. 

Manufactured from expanded polystyrene beads fused into a rigid, lightweight sheet, this board provides reliable compressive strength and dimensional stability across a broad range of construction applications.

Rated to EPS70 grade, it achieves a compressive strength of 70kPa, making it suitable for use beneath non-load-bearing floors, walls, and roofs where lighter or less demanding applications are required. While not classed as a structural material, EPS70 retains its shape and support under typical domestic floor loads and general insulation build-ups.

Designed for use in floors, walls, and roofs, it offers easy handling, precise cutting, and quick installation. The overall dimensions of 2400mm x 1200mm x 50mm offer improved basic thermal resistance while maintaining easy handling and fitting.

Features & Benefits

  • Compressive strength 70kPa: EPS70 rating delivers adequate stability for non-structural flooring, wall, and roof insulation.
  • Lightweight composition: Easy to handle, cut, and fit with standard tools, reducing installation time.
  • Multi-application suitability: Compatible with floors, walls, and roofs in both new-build and retrofit projects.
  • Board size 2400mm x 1200mm x 50mm: Provides mid-range thickness for standard insulation layers and general-purpose floor, wall, and roof applications.


Applications

  • Floor insulation: Suitable beneath ground-bearing screeds or suspended floors where moderate compressive performance is sufficient.
  • Wall lining and cavity fill: Provides stable, low-cost insulation in internal linings or cavity wall applications.
  • Roof insulation: Used under flat or pitched roofs within ventilated or protected systems.
  • Perimeter insulation: Maintains insulation continuity at slab edges, foundations, or external wall junctions.


Installation Guidance

  • Surface preparation: Ensure substrate is level, clean, and dry before laying boards.
  • Board fixing: Lay boards tightly with staggered joints to prevent thermal bridging.
  • Adhesive or mechanical fixing: Use approved insulation adhesives or fixings suited to substrate and application.
  • Cutting: Trim boards with a fine-toothed saw or hot wire cutter for accurate fitting.
  • Protection: Avoid prolonged UV exposure and protect from solvents or hydrocarbons.


Compliance & Performance

  • Material specification: Expanded polystyrene insulation conforming to BS EN 13163.
  • Compressive strength: Minimum 70kPa at 10% compression.
  • Thermal conductivity: Typical value 0.038 W/m·K.
  • Important note: Always verify compatibility with adhesives and finishes to ensure material integrity.



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