Insulating slab-on-ground floors
Current methods for adding insulation to slab-on-ground floors have some disadvantages. However, recent BRANZ research has developed more effective methods.
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By Ian Cox-Smith – 1 June 2007, Build 100
Current methods for adding insulation to slab-on-ground floors have some disadvantages. However, recent BRANZ research has developed more effective methods.
By Michael Camilleri – 1 April 2008, Build 105
When it comes to insulation, designers should think optimum rather than minimum and make key decisions early in the design process.
By Ian Cox-Smith – 1 December 2008, Build 109
Understanding how to maximise the insulation of a slab-on-ground floor is an important step to designing an energy-efficient building. So, where is the main heat loss, and how is a slab best insulated?
By Ian Cox-Smith – 1 December 2016, Build 157
Modelling of concrete floor slabs at BRANZ has provided insights into how to optimise the effectiveness of exterior perimeter edge insulation.
By Bruce Sedcole – 1 June 2023, Build 196
May Day, 1 May 2023, saw most of the recent new h1 updates move from their transition phase to become the sole h1 Acceptable Solution compliance paths available to architects and designers of all our housing and buildings up to 300 m².
By Ian Cox-Smith – 1 February 2008, Build 104
Reflective foil insulation products are commonly labelled with a component R-value. This does not signify performance, and should not be confused with the R-values for bulk insulation products.
By Ian Cox-Smith – 1 June 2009, Build 112
What gives the best performance – insulation installed between framing, over framing or a combination? This question was put to the test in a recent BRANZ research project.
By Gleb Speranski – 1 October 2010, Build 120, Feature article
Energy efficiency is the catchphrase of today, but recent research reveals that there are some challenges to achieving a desirable outcome in practice.
1 April 2011, Build 123
BRANZ has suspended further investigation into the performance of Urea Formaldehyde Foam Insulation (UFFI) after the DBH clarified that installation of these products requires a building consent.
1 February 2016, Build 152