September 19, 2026
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Expanded Polystyrene (EPS) is a lightweight, rigid foam insulation material used in residential, commercial and industrial construction. EPS boards provide thermal insulation and are used in walls, roofs, floors, foundations and other building applications.
Available in density ranges from 30–32 kg/m³ to 45–50 kg/m³ and thicknesses from 25 mm to 100 mm, EPS insulation boards can be selected according to project requirements. Standard board dimensions are 1250 × 600 mm, with multiple density and thickness combinations available for different construction applications.
Prices may be revised thereafter in case of significant changes in material, freight, logistics, currency or other market-related costs.
Effective Thermal Insulation
EPS has low thermal conductivity, helping reduce heat transfer through building elements when installed as part of a properly designed insulation system.
Lightweight Material
The cellular structure of Expanded Polystyrene provides low weight, making boards easier to transport, handle and install.
Multiple Density Options
Available in density ranges from 30–32 kg/m³ to 45–50 kg/m³ for different construction requirements.
Multiple Thickness Options
Available in thicknesses from 25 mm to 100 mm, depending on the selected density.
Dimensional Flexibility
EPS boards can be cut and shaped to suit specific installation dimensions and construction details.
Moisture Resistance
The closed-cell structure helps limit water absorption. However, EPS is not a waterproofing membrane and requires suitable protection where exposed to moisture.
Suitable for Construction Insulation
Used in suitable wall, roof, floor and other building insulation assemblies.
Bulk Project Supply
Available for construction contractors, insulation companies, developers and wholesale building material procurement.
The selected EPS grade must meet the required thermal, compressive strength, moisture and fire-performance specifications for its intended application.
EPS boards in the 30–32 kg/m³ density range are available in multiple thicknesses for suitable thermal insulation and construction applications.
Available thicknesses include 25 mm, 30 mm, 40 mm, 50 mm, 60 mm, 75 mm, 80 mm and 100 mm.
EPS boards in the 32–35 kg/m³ density range are available for applications requiring the specified material density and thickness.
Available thicknesses include 25 mm, 30 mm, 40 mm, 50 mm, 60 mm, 70 mm, 75 mm, 80 mm, 90 mm and 100 mm.
This density range is available in selected thicknesses for construction and insulation applications where its technical properties meet the project specifications.
Available thicknesses include 50 mm, 75 mm and 100 mm.
EPS boards in the 40–45 kg/m³ range are available for construction insulation applications requiring a higher-density material.
Available thicknesses include 25 mm, 30 mm, 40 mm, 50 mm, 60 mm, 75 mm, 80 mm and 100 mm.
EPS boards in the 45–50 kg/m³ density range are available for projects requiring higher-density insulation boards, subject to the specified compressive strength and other performance requirements.
Available thicknesses include 50 mm, 75 mm and 100 mm.
| EPS Density | Available Thicknesses | Board Dimensions |
|---|---|---|
| 30–32 kg/m³ | 25, 30, 40, 50, 60, 75, 80, 100 mm | 1250 × 600 mm |
| 32–35 kg/m³ | 25, 30, 40, 50, 60, 70, 75, 80, 90, 100 mm | 1250 × 600 mm |
| 35–40 kg/m³ | 50, 75, 100 mm | 1250 × 600 mm |
| 40–45 kg/m³ | 25, 30, 40, 50, 60, 75, 80, 100 mm | 1250 × 600 mm |
| 45–50 kg/m³ | 50, 75, 100 mm | 1250 × 600 mm |
All dimensions are nominal and subject to manufacturing tolerances.
| Parameter | Specification |
|---|---|
| Product | Expanded Polystyrene (EPS) |
| Material | Expanded Polystyrene Foam |
| Form | Rigid Insulation Board |
| Density Range | 30–50 kg/m³ |
| Minimum Available Thickness | 25 mm |
| Maximum Available Thickness | 100 mm |
| Board Length | 1250 mm |
| Board Width | 600 mm |
| Board Area | 0.75 m² |
| Available Density Grades | 5 |
| Application | Thermal Insulation & Construction |
Expanded Polystyrene is a lightweight, rigid foam material manufactured from expanded polystyrene beads. It is commonly used for thermal insulation, protective packaging and selected construction applications. EPS insulation boards are available in different densities and thicknesses.
EPS is used for thermal insulation in roofs, walls, floors and other building elements. It can also be used in suitable lightweight construction and void-filling applications, depending on material properties and structural requirements.
ibeam has established a strong presence across key strategic markets with successful project completions:
ibeam supplies Expanded Polystyrene in five density ranges: 30–32 kg/m³, 32–35 kg/m³, 35–40 kg/m³, 40–45 kg/m³ and 45–50 kg/m³. The required density depends on the project specification and intended application.
EPS insulation boards are available in thicknesses ranging from 25 mm to 100 mm. Specific options include 25 mm, 30 mm, 40 mm, 50 mm, 60 mm, 70 mm, 75 mm, 80 mm, 90 mm and 100 mm. Thickness availability varies by density range.
The listed board dimensions are 1250 × 600 mm, equivalent to 0.75 square metres per board. Customers can select the available thickness and density combination according to their project requirements.
Higher-density EPS generally has different mechanical properties from lower-density EPS, including potential differences in compressive strength and stiffness. However, density alone does not establish the board’s load-bearing capacity or thermal performance. The manufacturer’s technical data should be checked before selection.
Yes. EPS can be used in properly designed roof insulation systems when the selected board meets the required compressive strength, thermal performance and fire-safety specifications. Suitability also depends on waterproofing and roof assembly requirements.
Yes. EPS boards are used in suitable floor insulation systems, including applications beneath screeds. For load-bearing floors, the selected EPS grade must have adequate compressive strength and long-term deformation performance.
EPS has a closed-cell structure that provides resistance to moisture absorption, but it is not a waterproofing membrane. Where waterproofing is required, an appropriate waterproofing system should be used alongside the insulation.
Yes. Contractors and procurement companies can enquire about multiple density and thickness combinations within the same project requirement. Supply arrangements depend on the selected products, quantities and availability.
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