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Petite Saute build by Advanced Foundation Systems


faster, better, passivhaus certified

Cool Temperate Certified for Advanced Foundation Systems

"one of the most comprehensive whole house certified building systems in the world"

- Passive House Institute, Darmstadt



  • costs the same or less than conventional foundations

  • much faster installation than conventional foundations

  • integral optional U/F heating

  • minimal dig/spoil disposal

  • insulating permanent formwork pre-cut in the factory and assembled in a day on site (1 day/100m2)


A stable technology - based on over 50 years of industry use​

Build phase of an Advanced Foundation Systems substructure
  • allows complex slabs including multilevel and curved

  • low or zero steel mesh or rebar - substituted for carbon fibre reinforced concrete premixed and pumped​

  • all ground types from <50kN/m2 including heaving clay​

  • integral radon barrier/DPM

  • high thermal mass on correct side of insulation

  • thermal bridge free and U-Value 0.1 W/m2K or less

  • minimal RC (200mm typical) in a single pour

  • extended on no bay areas

  • exceptionally high line and point loading (>100kN)​

  • finished floor power floated or polished surface without need for screed layer​​​

House Bridge


  • closed panel envelope (delivered to site ready to take plaster internally with electrical services factory installed)

  • fasted route to completion in a totally bespoke system

  • more robust than masonry (but allows for masonry outer leaf or cladding)

  • hybrid timber frame SIPS (structural insulated panel)

  • sustainable materials with a high recycled content

  • soundproof

Wall panels being placed for an Advanced Foundation Systems build
  • breathing (vapour open from the VCL layer)

  • optimum thermal mass

  • low embodied carbon

  • optimised for integrated MVHR (mechanical ventilation & heat recovery)

  • adjustable u-values from <0.15 W/m2K

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