Edge insulation of slabs
Modelling of concrete floor slabs at BRANZ has provided insights into how to optimise the effectiveness of exterior perimeter edge insulation.
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Modelling of concrete floor slabs at BRANZ has provided insights into how to optimise the effectiveness of exterior perimeter edge insulation.
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.
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.
Heating costs could be cut if we do as Americans and Europeans do and add perimeter edge insulation to heated concrete floor slabs.
Ventilation is required to reduce moisture levels, but can too much subfloor ventilation reduce the effectiveness of underfloor insulation? BRANZ set out to find the answer.
BRANZ’s latest house condition survey points the way to where improvements could be made to help achieve the goal of warmer, drier and healthier homes for all.
BRANZ has been researching how to improve the insulation of concrete slab-on-ground floors and has found an alternative method which is practical and improves performance.
A recent BRANZ project has found there is real potential for installing insulation into the walls of the more than 600,000 houses that are currently without it.
To help improve our homes, the recently released BRANZ House Insulation Guide now includes thermal performance values for more insulated slab-on-ground flooring options and waffle pod systems.
It’s well known that poorly fitted insulation has a thermal resistance significantly less than the R-value on the label, but how much less? A recent BRANZ study put some numbers on this.