The politician was out on the election trail in Northfield Broadway, where Eaga Insulation employee Duncan Yates showed her what was involved in the energy-saving process.
Ms Sturgeon met with householders who are taking advantage of a government scheme which offers free or discounted insulation.
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Hide AdShe announced a "boom" in the number of people being offered a place on the project.
Mr Yates showed the SNP minister, who is also Secretary for Health and Wellbeing, how his team use drills and giant pipes to pump the insulation into the cavity walls of people's properties.