Jablite is the UK's largest producer of EPS products for insulation and civil engineering applications

Structural Board Thermal Floor System


Jablite Structural Board is a thermal floor system for suspended floors.

It is designed to replace block and beam suspended floors with a fast, safe build and an excellent thermal performance that assists with achieving Part L 2013 compliance.

Key Benefits
  • BBA Certified 14/5094
  • Reduced excavation
  • Less spoil removal
  • Improved health and safety
  • Achieves specified U-values
  • Outstanding Psi values
  • Zero waste on site



Downloads & Specifications
Structural Board Thermal Floor System

BBA Certificates and other supporting documents can be found in Technical Resources

Technical Resources
Technical information
Product specification

Jablite insulation is supplied in EPS (expanded polystyrene) or in HP (high performance) EPS to provide the required thermal performance.

Jablite EPS insulation is 100% recyclable and Jablite provides a site collection of clean material cut offs and these are recycled back into insulation boards.

Jablite manufactures to ISO 9001 and ISO14001 certified standards.
CE Marking
Jablite  Structural board Thermal Floor System  is CE marked. The Declaration of Performance (DOP) is available on request.

You can download the CE Marking approval certificate here

For specification of concrete toppings, please refer to our Thermal Floor System with Structural Boards BBA Certificate 

U-value table
U-value (W/m2K):
Based on 155mm Supreme Beams
 A = 100% Full Panel Installation B = 75% Full Panel / 25% Half Panel Installation
Grey 150mm Infill Panel Grey 150mm Infill Panel Grey 150mm Infill Panel Grey 150mm Infill Panel
Grey 80mm Top Sheet Grey 100mm Top Sheet Grey 150mm Top Sheet Grey 225mm Top Sheet
0.80 0.16 0.16 0.14 0.14 0.11 0.12 0.09 0.09
0.70 0.16 0.16 0.14 0.14 0.11 0.12 0.09 0.09
0.60 0.15 0.16 0.14 0.14 0.11 0.11 0.09 0.09
0.50 0.15 0.15 0.14 0.14 0.11 0.11 0.09 0.09
0.40 0.15 0.15 0.13 0.13 0.11 0.11 0.09 0.09
0.30 0.14 0.14 0.13 0.13 0.10 0.11 0.08 0.08
+How are Jablite products rated in the BRE Green Guide to Specification?
Jablite manufactures EPS (expanded polystyrene) products which are A+ rated in the BRE Green Guide, except for Jablite 300 grade insulation for inverted roofs which has an A rating
+Does Jablite manufacture to ISO 14001?
Yes, Jablite is certified to the BS EN ISO 14001 Environmental Management System standard.
+Is Jablite accredited to ISO 9001?
Yes, all Jablite sites are accredited to BS EN ISO 9001 Quality Management System.