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High Quality Foundation System


A Complete System

Insulslab is a complete BBA certified cast in-situ foundation system which comprises a series of interlocking expanded polystyrene pods, forming a substantially rigid ‘waffle’ shaped slab. Steel fibre reinforced concrete (SFRC) is poured over the top to form the finished foundation. The steel fibres are manufactured in the UK by ArcelorMittal.

A Full Service Solution

A complete specification and installation support service is available from Insulslab’s specialist technical team, including engineering, U-value calculations and on-site technical support. Information provided includes:

  • General arrangement drawings
  • Structural calculations
  • U-value calculations
  • Bill of Quantities and Schedule of Materials
  • Warranties can also be provided if required


The Insulslab system, using AcelorMittal Steel Fibres within the steel fibre reinforced concrete mix, is BBA certified (BBA Certificate 09/4677) and is accepted by the NHBC / LABC and Premier Guarantees.

Part of SIG plc
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