Description

This bulletin outlines options for insulating concrete slab-on-ground floors for housing and other buildings up to 300 m².

It covers insulation materials and methods, construction R-values, underslab and slab edge insulation, proprietary slab systems and other design considerations, with a focus on compliance with H1/AS1 and H1/VM1 6th editions.

Scope

This Bulletin includes:

1. Introduction
2. Compliance with Building Code Clause H1
   
   • Calculation method
   • Modelling method
   • Heated floors
3. Determining construction R-values
4. Materials
5. Underslab insulation
   • Insulation under garage floors
   • Insulation and proprietary slab floor systems
6. Slab edge insulation
   • Proprietary slab edge insulation
   • Protection and maintenance of slab edge insulation
7. Floor topper insulation
8. Other design considerations
9. Further information