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MAXSpan delivers the benefits of MAXRaft to the upper levels of a home.  Suitable for use on multi-storey buildings, above basements or on incline sites, MAXSpan will allow a concrete floor to be used above the foundation.

The benefits of an above-the-foundation concrete floor include:

  • Increased structural integrity
  • Improved underfloor heating efficiency
  • Reduced noise transfer between rooms.

MAXSpan can be used in conjunction with MAXRaft, MAXWaffleRaft and retaining walls.

Product Features:

  • Suitable for multi-level buildings and incline sites
  • Can be used to bridge enclosed spaces
  • Increased thermal efficiency
  • Less time required on site
  • Site-specific engineering
  • Reliable, proven construction details
  • Achieves an R Value of R2.5-R3 according to floor type.


Engineering (PS1) for consent can be arranged through MAXRaft.  MAXRaft works with a group of engineers who are experienced in designing MAXRaft foundations and can pre-empt council queries.  MAXRaft can also prepare and deliver PS4 sign off for each project.

Categories / Ranges
Thermal Insulation
CAD/PDF Details
MAXSpan with Retaining Wall
Retaining Polyblock Foundation

MAXRaft are an environmentally friendly New Zealand company offering a complete thermal insulated raft solution.

Product Enquiries

News from MAXRaft

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MAXRaft Achieves CodeMark Certification
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