High quality extruded polystyrene that delivers a KPA rating which far exceeds the minimum for commercial roofing systems.

Technical Details

Product Range

Product Type Product Code
Product Size
Roof Purlin Insulation Spacer - 30mm H

Purlink 30/30

Purlink 50/30

Purlink 75/30

1200mm L x 30mm W x 30mm H

1200mm L x 50mm W x 30mm H

1200mm L x 75mm W x 30mm H

Roof Purlin Insulation Spacer - 50mm H

Purlink 30/50

Purlink 50/50

Purlink 75/50

1200mm L x 30mm W x 50mm H

1200mm L x 50mm W x 50mm H

1200mm L x 75mm W x 50mm H
Roof Purlin Insulation Spacer - 75mm H

Purlink 30/75

Purlink 50/75

Purlink 75/75

1200mm L x 30mm W x 75mm H

1200mm L x 50mm W x 75mm H

1200mm L x 75mm W x 75mm H


Physical Properties

Property Result
Normal Density 40kg/m3
Comprehensive strength
(at 10% deformation measured parallel to rise)
>=350 kPa
Cross Directional Strength > 300 kPa
Nominal Thermal Conductivity at 25° 0.028 W/mk

Thermal Resistance (m2K/W):

  • Thickness 30mm
  • Thickness 50mm
  • Thickness 75mm
1.04R
1.74R
2.61R
Maximum Service Temperature 90°C

For more information please download our PurlinK brochure

Comprehensive strength
(at 10% deformation measured parallel to rise)

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The Foamex Group manufactures expanded polystyrene (EPS) products for a broad range of applications, such as building construction, including foam wall insulation and architectural profiles; road construction; protective packaging; cold storage and refrigeration; and sign writing, displays and decorative fixtures.