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EPS Insulation Board

Expanded polystyrene rigid insulation board for cost-effective thermal insulation of walls, floors, and roofs.

Low CostLightweightWide ApplicationCuttable
LAMBDA0.033–0.040 W/mK
THICKNESS20–200 mm
DENSITY15–35 kg/m³
SHELF LIFEUnlimited
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↓ Download Datasheet (PDF)

Overview

Cost-effective insulation. Wide application range.

EPS Insulation Board is an expanded polystyrene rigid insulation board for general-purpose thermal insulation of walls, floors, and roofs. Lower cost than XPS, with similar thermal performance but lower compressive strength and higher water absorption.

The most widely used insulation board for general building thermal performance – suitable wherever high compressive strength and moisture resistance are not critical.

Key Features

  • Expanded closed-bead polystyrene
  • Cost-effective insulation solution
  • Lightweight – easy installation
  • Cuttable with hot wire or knife
  • Multiple density grades available
  • Lambda 0.033–0.040 W/mK

Technical Specs

Technical Specifications

All values measured at 23°C unless noted. Full test data available in the datasheet.

PropertyValueUnit
FormExpanded rigid board–
CompositionExpanded polystyrene (EPS)–
ColourWhite–
Density gradesEPS 70 / 100 / 150 / 200 / 300–
Density (kg/m³)15 / 18 / 22 / 30 / 35–
Thermal conductivity (λ)0.033–0.040W/mK
Thickness options20 / 30 / 50 / 80 / 100 / 150 / 200mm
Board dimensions1200 × 600 / 1000mm
Compressive strength70–200kPa
Water absorption (28d)2–5%
Service temperature−50 to +75°C
Fire ratingClass E (LSF available)–
PackagingPlastic-wrapped bundles–
StandardsEN 13163 · ASTM C578–

Applications

Where this product is used

Six typical site applications where our crews specify this product.

🏢

Wall insulation

External and internal wall insulation.

🏗️

Floor insulation

Under-screed and floor insulation.

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Cavity walls

Cavity wall insulation slab.

🏛️

ETICS systems

External thermal insulation composite systems.

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Light-load roofs

Roof insulation under tiles or membranes.

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Packaging

Industrial protective packaging.

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