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50mm Claymaster Insulation 2400mm x 1200mm (8' x 4')
SKU
BG000020
From £21.13 £17.61
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Description
Product Information
Our 50mm Claymaster insulation is an EPS compressible-fill material designed to minimise the pressure against foundations due to clay heave. Claymaster board does not degrade when placed in high moisture zones and is resistant to the effects of freeze-thaw. Moreover, it will stay an efficient compressible-fill for the whole life of the structure.
Use & Application
Here are some of the most common usages of this product:
- Below concrete ground beams of maximum depth of 600mm
- In piled foundation construction
- On concrete foundations
- Used to prevent potential issues in foundations due to moisture movement in soils
- On the sides of trench fills
Benefits
- Provides a rapid, cost-effective solution to clay-heave issues
- Low-density expanded polystyrene board
- Produced in light-green colour for easy identification
- Durable & moisture resistant
- Has ideal compression properties
- Made up of a non-toxic material
- Lightweight & easy to install
| Length | 2400mm |
| Width | 1200mm |
| Thickness | 50mm |
Specification
| Length | 2400mm |
|---|---|
| Width | 1200mm |
| Thickness | 50mm |
| Coverage | 2.88m² |
| Features | Moisture Resistant |
| Thermal Conductivity | 0.038 W/mK |
| Fire Rating | Euroclass E |
| Manufacturer Part Number | S119/2400*1200*50 |
Data Sheets
Delivery Information
Delivery Information
We offer fast and reliable delivery across London, Essex, and surrounding areas beyond the M25.
- We aim to deliver on the same or next working day whenever possible for stocked items.
- The standard delivery timeframe is 1–5 working days, depending on your location and product type.
- Orders are delivered kerbside only — please notify us in advance of any access restrictions.
Once your order is placed, our Customer Care team will be in touch to confirm delivery details.
If your delivery is scheduled for the morning, we will call you the evening before to confirm the timing.
We also send a confirmation email once your order is booked in.
While we always aim to deliver on time, please note that delays may occasionally occur due to circumstances beyond our control (e.g. traffic, supplier delays, access restrictions).
Delivery Areas & Charges
Minimum order values vary by postcode.
Click here to view our full postcode list and delivery thresholds
If your postcode isn’t listed, we may still be able to deliver — please share your address and basket total, and we’ll confirm availability within 24 hours.
Returns & Refunds
- We accept returns within 28 days for most unused and resaleable items.
- A restocking fee and collection charge may apply.
- Some items (e.g. custom-made, opened, or time-sensitive materials) are non-refundable.
- Refunds are processed within 28 days to the original payment method.
Please view our full returns policy
Stocked vs. On-Request Products
- Stocked items are dispatched promptly from our local branches.
- On-request or special order items may take longer. We’ll confirm the expected lead times after checkout.
Questions & Answers
Customer Questions
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