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Polystyrene Construction Products

More than 50 years of expert knowledge in polystyrene building and construction products — moisture resistant, thermally stable, strong yet lightweight, and fully recyclable.

Polystyrene (EPS) SpecialistsEstablished since 1837
Competitive PricingA range of products to suit your needs
Quality That LastsA Bespoke Solution
Free QuotesWith your requirements in mind
50+ years in construction EPS

Expert knowledge, experience and technical support

Polystyrene offers the building and construction industries a rare combination of benefits: it's moisture resistant, has excellent thermal properties that remain constant, is strong yet lightweight, cost effective and fully recyclable. It's used on major projects from road and motorway embankments to ramps and shopping malls.

  • Blocks, sheets, panels and formwork tailor-made to your specification
  • Void formers, column formers, pipe saddles and bolt boxes
  • CAD/CAM hot-wire cutting — we cut, shape, scoop and profile EPS foam blocks
  • Under-floor insulation sheet in standard packs: 2.4m x 1.2m or 1.2m x 0.6m, depths 25–100mm
Buy Construction Products
Polystyrene construction products — EPS sheets, void formers and formwork
EPS construction sheet packs

Construction Sheet

A versatile sheet moulded from polystyrene foam, available in specific sizes and various grades of polystyrene depending on your project. Perfect for the building and construction industry.

Buy EPS70 sheet packs
Grey SuperTherm EPS sheet with improved thermal rating

SuperTherm EPS Sheet

Made from our newest grade of material with a superior thermal rating (0.030 W/mK). Contains a flame-retardant additive, available up to Fire Class E, and produced to meet BS EN 13163 requirements.

Buy SuperTherm sheet packs
Technical data

Construction sheet specifications

All sheet manufactured to BS EN 13163.

GradeCompressive stress @10% (kPa)Cross bending strength (kPa)Lambda value (W/mK) maxActual lambda (W/mK) maxDimensional stability (%) max
EPS70701150.0380.0371
EPS1001001500.0360.0351
EPS1501502000.0350.0341
EPS2002002500.0340.0331
EPS2502503500.0340.0331

SuperTherm EPS sheet specifications

GradeCompressive stress @10% (kPa)Compressive stress @1% (kPa)Cross bending strength (kPa)Lambda value (W/mK) maxDimensional stability (%) max
EPS7070201150.0301
EPS100100451500.0301

Polystyrene Bead for Concrete

Bead can be mixed with concrete to reduce weight and improve thermal performance. Supplied in 0.283m³ (10 cu ft) bags, 2–8mm bead, 10kg/m³.

About bead

Bolt Boxes

Industry-standard sizes tapering from 75mm to 50mm, round profile, with immediate availability from our webshop.

Buy bolt boxes

Bespoke Formwork

Void formers, column formers and pipe saddles cut to your drawings using CAD/CAM hot-wire technology.

Request a quote

Why Choose Eccleston & Hart

Quality first, lasts the test of time.

Eccleston + Hart Limited is committed to using expanded polystyrene as efficiently as possible.

EPS can be recycled, we recycle our own waste by two methods:

  • Breaking scrap material into its bead form using a granulator, then mixing with new bead before block moulding.
  • Compacting scrap granulated material in a Compactor to produce 'bricks'. These bricks are then sent to a recycling depot where various new products are produced such as garden furniture, plant pots, picture frames, roof tiles and many more plastic products, thereby saving on valuable natural resources.

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We look forward to hearing from you!