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Specialist Foundation Insulation

Specialist Foundation Insulation refers to our in-house Insulslab, a complete cast in situ system.


Insulslab is a complete cast in situ system, based on a foundation 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.

Insulslab is SIG Construction Accessories in-house design product that can be value engineered for your project, with the products manufactured to size and delivered to suit your build plan.
Benefits include cutting down on labour & time, speeding up the build process.

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