Polystyrene Construction Products
With more than 50 years in the polystyrene business, our expert knowledge, experience and technical support in polystyrene (EPS) building and construction products is second to none.
Polystyrene has a number of benefits: it is moisture resistant, has excellent thermal properties that remain constant, is strong yet lightweight, cost effective and fully recyclable. These advantages make it ideal for a wide range of construction uses, from polystyrene sheets and panels through to large polystyrene blocks and bricks for building and civil engineering projects.
Polystyrene (EPS) Specialists
Established since 1837
Competitive Pricing
A range of products to suit your needs
Quality That Lasts
Bespoke solutions available
Free Quotes
tailored to your requirements
Polystyrene for the building and construction industries offers many versatile benefits. It is often used for major projects such as road and motorway embankments, ramps, and shopping malls. At Eccleston & Hart, we produce polystyrene blocks, sheets, panels and formwork products that are tailor made to your specifications, including void formers, column formers, pipe saddles and bolt boxes.
Using CAD/CAM hot wire technology we can cut, shape, scoop and profile expanded polystyrene blocks (EPS foam blocks) to accommodate your building or construction requirements. With our innovative manufacturing technology, experienced workforce and dedicated equipment, polystyrene samples can be made to your design specification on request. We also offer a choice of various grades of EPS depending on the needs of your project.
Polystyrene Sheet is widely used for under floor thermal insulation - this can be requested in sizes specific to your requirements. Our standard packs are available from our Webshop and are 2.4m x 1.2m or 1.2m x 0.6m with depths of 25mm, 50mm, 75mm or 100mm and are also available as low Lamba Thermal Supertherm EPS Sheet
Polystyrene Bead is also commonly used in construction. Bead can also be mixed with concrete to reduce its weight and improve thermal performance. We produce and supply Bead in standard in 0.283 cubic metre (10 cubic feet) bags with a bead size 2-8 diameter and a weight of 10kg per metre cubed. Bead can purchased from our WebShop.
If you are looking for Bolt Boxes, our WebShop lists industry standard sizes, tapering from 50mm to 75mm, square or round with immediate availability.

A versatile sheet that is made up of polystyrene foam and carefully molded into sheets. Construction sheets can be requested in specific sizes and various grades of polystyrene depending on your project. Perfect for the building and construction industry.
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Construction Sheet
Information Table
| Compressive Stress @10% (kpa) | Cross Bending Strength (kpa) | Lambda value (W/mK) max | Actual Lambda Value (W/mK) max. | Dimensional Stability (%) Max | |
|---|---|---|---|---|---|
| EPS70 | 70 | 115 | 0.038 | 0.037 | 1 |
| EPS100 | 100 | 150 | 0.036 | 0.035 | 1 |
| EPS150 | 150 | 200 | 0.035 | 0.034 | 1 |
| EPS200 | 200 | 250 | 0.034 | 0.033 | 1 |
| EPS250 | 250 | 350 | 0.034 | 0.033 | 1 |
These Super Therm EPS sheets are made from our newest grade of material and boast a superior thermal rating. Containing a flame retardant additive and available up to Fire Class E - produced to meet various building needs and BS EN 13163 requirements.
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SuperTherm EPS Sheet
Information Table
| Compressive Stress @10% (kpa) | Compressive Stress @1% (kpa) | Cross Bending Strength (kpa) | Lambda value (W/mK) max | Dimensional Stability (%) Max | |
|---|---|---|---|---|---|
| EPS70 | 70 | 20 | 115 | 0.030 | 1 |
| EPS100 | 100 | 45 | 150 | 0.030 | 1 |
