EPS 20kg/m³
Insutech EPS 20 is a white expanded polystyrene foam sheet at a nominal density of 20 kg/m³, the most widely specified density in Insutech’s EPS sheet range.
Engineered for the job it protects.
Insutech EPS 20 is a white expanded polystyrene foam sheet at a nominal density of 20 kg/m³, the most widely specified density in Insutech’s EPS sheet range. Cut precisely from injection-moulded polystyrene blocks, it delivers reliable thermal insulation across roofing, wall, floor, and ceiling applications in both residential and commercial construction.
With a thermal conductivity of ≤ 0.035 W/mK and compressive strength of ≥ 100 kPa, Insutech EPS 20 significantly reduces heat transfer through building elements — driving down energy consumption and delivering substantial savings on electricity and HVAC operating costs. Its combination of performance, workability, and cost efficiency makes it the benchmark solution for everyday insulation challenges.
Board thickness: Available in 20 mm – 100 mm and can also be customized.
- Excellent thermal insulation with ≤ 0.035 W/mK thermal conductivity
- Reduces electricity consumption and energy operating costs
- Reduces CO₂ emissions through superior insulating performance
- Compressive strength of ≥ 100 kPa for versatile applications
- Lightweight and easy to handle and install
- Prevents moisture infiltration in walls and ceilings
- Lowers overall construction cost
Technical Data
| Property | Code | Test Method | Unit | Result |
|---|---|---|---|---|
| Density | kg/m3 | 20 ± 5% | ||
| Thermal Conductivity | λD | EN 12667 | W/mK | ≤ 0.035 W/mK |
| Thermal Resistance (30 mm) | RD | EN 12667 | (m²K)/W | 0.86 |
| Thermal Resistance (40 mm) | RD | EN 12667 | (m²K)/W | 1.14 |
| Thermal Resistance (50 mm) | RD | EN 12667 | (m²K)/W | 1.43 |
| Thermal Resistance (60 mm) | RD | EN 12667 | (m²K)/W | 1.71 |
| Compressive Stress | CS(10/Y) | EN 826 | kPa | ≥ 100 kPa |
| Tensile Strength | TR | EN 1607 | kPa | ≥ 100 kPa |
| Bending Strength | BS | EN 12089 | kPa | ≥ 150 kPa |
| Dimensional Stability | DS(70)3 | EN 1604 | % | ≤ 3 |
| Specific Heat | EN 12524 | J/(kgK) | 1450 | |
| Water Vapour Diffusion | MU | EN 12086 | μ | 30–70 |
| Water Absorption (Immersion) | WL(T) | EN 12087 | % vol | ≤ 3 |
| Water Absorption (Diffusion) | WD(V) | EN 12088 | % vol | ≤ 3 |
| Max. Service Temperature | °C | 75 | ||
| Fire Rating | EN 13501-1 | Euroclass | E |
*Insutech reserves the right to modify product specifications, descriptions, and technical information at any time without prior notice.
Application, Step by Step.
Remove dust, grease and loose particles from the substrate so the insulation boards can sit completely flush against the prepared surface.
Measure carefully and cut the boards to size with a sharp blade or hot wire, keeping the edges square for tight and accurate joints.
Apply a compatible adhesive or fix mechanical fasteners appropriate to the substrate, following the specified coverage and spacing.
Position each board and press it firmly into place, butting boards tightly together and staggering the joints between rows for stability.
Close all joints and gaps with compatible tape or filler so the insulation layer forms one continuous, unbroken thermal envelope.
Apply the specified screed, render or cladding over the boards to protect the insulation and complete the build-up as designed.
