H-BAU ISOPRO® and ISOMAXX® Insulated Balcony Connectors

H-BAU ISOPRO® and ISOMAXX® systems provide thermally insulated connections for concrete balconies and walkways to meet part L of the building regulations. Available with up to 120 min. fire protection, the ISOPRO®  system has an 80mm thickness of insulation, and is the most commonly used system to prevent cold bridging, The ISOMAXX® system provides 120mm of insulation for maximum thermal performance.


Technical Evaluations:

European Technical Assessment ETA-17/0466

Fire resistance - EN 1365-1 to REI 120

DNGB Evnironmental Product Certification

LEED Product Declaration


Typical applications include:

  • Concrete balcony connections
  • Concrete walkway connections


  • Excellent thermal insulating properties for concrete balconies
  • Resistant to water penetration
  • Wide range of sizes and configurations
  • Excellent fire resistance.
  • Calculation and product selection software


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