Key-Metzeler EPS Expanded Polystyrene EPS70 floor board Kay-Metzeler Insulation

Kay-Metzeler EPS70

Expanded Polystyrene rigid board insulation for ground floor applications.

Suitable for use in ground supported or suspended concrete floors.

EPS70 is primarily used in residential buildings; higher grades (EPS100 - EPS200) are available on request, for commercial and industiral uses.

Easy to cut and shape.

Can be used to improve reliable long-term energy savings for buildings.

BBA certified.

Thicknesses and Availability:

Available in most popular thicknesses at most depots; short lead-times may apply if we need to get stock in before delivering to site.

This EPS70 Range includes the following readily available product thicknesses: 25mm, 50mm, 75mm, and 100mm.

Other thicknesses, in incriments of 5mm, can be supplied on request. Please allow extra lead times as these items will need to be manufactured.

Product Information

General information about Kay-Metzeler EPS70

Product Application

Ground floor insulating board

Kay-Metzeler's EPS (Expanded Polystyrene) foam board, EPS70, is suitable for use in ground supported or suspended concrete floor applications.

Product Make-up


Kay-Metzeler EPS70 is manufactured from expanded polystyrene (EPS) that has zero ozone depletion potential (zero ODP) and low global warming potential (GWP).


No facings.

Product Properties

Thickness 25mm to 100mm
Board Length 2.4m
Board Width 1.2m
Board Edge Square

Product Prices

Buy Kay-Metzeler EPS70

Product ex-VAT inc-VAT
Kay-Metzeler EPS70 25mm, 12 x 1.2x2.4m = 34.56m² £66.91 £80.29
Kay-Metzeler EPS70 50mm, 6 x 1.2x2.4m = 17.28m² £67.10 £80.52
Kay-Metzeler EPS70 75mm, 4 x 1.2x2.4m = 11.52m² £67.29 £80.74
Kay-Metzeler EPS70 100mm, 3 x 1.2x2.4m = 8.64m² £72.43 £86.91

Reasonable stock levels are generally held at most of our depots. In some geographic locations, depots may stock alternates, however, we will contact you to discuss before proceeding with the order.

Where products need to be brought in from Celotex, please allow approx. 1 week for delivery.

  • Generally 1 or 3 working days for delivery
  • Generally 1 to 5 working days for delivery
  • Generally 5 to 10 working days for delivery
  • Special request or made to order item, allow extended lead times. Minimum order levels may apply.
  • Please call to check availability and approximate lead times

Product availability depends upon stock levels at closest depot and delivery logistics to geographic locations

Product Performance and Guides

Product Performance, Manufacturer Downloads, and Installation Guides

Product Performance

Thermal Conductivity 0.038 W/mK
Compressive Strength 70 kPa at 10% compression
Vapour Resistance 100-200 MNs/gm
Nominal Density 15 kg/m³
Product Thickness Thermal Resistance kg/m²
Kay-Metzeler EPS70 25mm 25mm 0.65 m²K/W 0.37 kg/m²
Kay-Metzeler EPS70 50mm 50mm 1.31 m²K/W 0.74 kg/m²
Kay-Metzeler EPS70 75mm 75mm 1.97 m²K/W 1.11 kg/m²
Kay-Metzeler EPS70 100mm 100mm 2.63 m²K/W 1.49 kg/m²

Product Certificates

Kay-Metzeler is CFC/HCFC free with zero ODP and low GWP. Kay-Metzeler EPS is manufactured in accordance with quality management system ISO 9001 and environmental management system ISO 14001. All products must be installed in accordance with guidance issued by Kay-Metzeler.

Where building regulation approval is required, you should take advice from your local building control authority and the building designer.