100mm EPS100 Polystyrene Insulation Board 2400mm x 1200mm
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Wed 10 Jun
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- Choose Clearpay at checkout to pay later with Pay in 4.
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Clearpay is unregulated credit. Use responsibly. 18+, T&Cs and late fees apply at clearpay.co.uk/en-GB
Clearpay lends you a fixed amount of credit so you can pay for your purchase over 4 instalments, due every 2 weeks. Ensure you can make repayments on time. You must be 18+ and a permanent UK resident (excl Channel Islands). Clearpay charges a £6 late fee for each late instalment and a further £6 if it’s still unpaid 7 days later. Late fees are capped at £6 for orders under £24 and the lower of £24 or 25% of the order value for orders over £24. Missed payments may affect your ability to use Clearpay in the future and your details may be passed onto a debt collection agency working on Clearpay’s behalf. Clearpay is credit that is not regulated by the Financial Conduct Authority. T&Cs and other eligibility criteria apply at clearpay.co.uk/terms
Delivery & Returns Information
Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.
Standard (Nationwide) Delivery
| Insulation, Plasterboard and Drylining Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £45 ex. VAT |
| Over £400 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £90 ex. VAT |
| Over £400 ex. VAT | £55 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 |
How delivery works
We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery areas
Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.
If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.
What to expect on delivery day
- Deliveries are typically kerbside.
- Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
- Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.
Why delivery can cost more than typical parcel delivery
Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.
Returns
Returns depend on what you have bought and whether there is anything wrong with it. For full details on eligibility, timeframes, and exclusions, please see our full policy.
Key Features
- {{fitness_center}} Minimum 100kPa 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
| URN: | 3001307 |
|---|---|
| Product: | EPS100 |
| Material Type: | EPS |
| Thickness: | 100mm |
| Width: | 1200mm |
| Length: | 2400mm |
| Sales Unit: | Board |
| Sales Unit Coverage: | 2.88m2 |
| Thermal Conductivity: | 0.038W/mK |
| Compressive Strength: | 100kPa |
Product Overview
EPS100 Polystyrene Insulation Board with a 2400mm length, 1200mm width, and 100mm 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 EPS100 grade, it achieves a compressive strength of 100kPa, making it suitable for use beneath non-structural or lightly loaded floor systems, as well as in general insulation build-ups. While not classed as a load-bearing structural material, EPS100 maintains shape and support when used under screeds, slabs, or flooring layers subject to standard domestic or light commercial loads.
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 100mm offer maximum material depth for improved basic thermal resistance.
Features & Benefits
- High compressive strength: EPS100 rating provides 100kPa resistance under compression, suitable for non-structural flooring and general insulation applications.
- 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 100mm: Provides maximum thickness within the EPS100 range for deeper void filling and standard-grade insulation performance.
Applications
- Floor insulation: Suitable beneath screeds, ground-bearing slabs, or suspended floors where compressive stability is required.
- Wall lining and cavity fill: Provides modest thermal resistance in internal linings or cavity walls.
- Roof insulation: Used in flat or pitched roof systems under membranes or deck coverings.
- Perimeter insulation: Ensures continuity of insulation around slab edges or external walls.
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 100kPa 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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