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Does IWI make your house too airtight and can it be bad for your health? – CIJA? | Ep.49

One of the most common worries we hear about internal wall insulation is that it makes a house too airtight, leaving people feeling like they can’t breathe and creating unhealthy conditions inside. In this episode, Andy Banister and Chris Brookman,…

Read MoreDoes IWI make your house too airtight and can it be bad for your health? – CIJA? | Ep.49

Can I use positive input ventilation with internal wall insulation? – Can I Just Ask? | Ep.45

In this episode, Chris and Andy look at why positive input ventilation (PIV), despite being widely used in retrofit projects, generally isn’t recommended alongside internal wall insulation (IWI). Andy explains that PIV works by pressurising the indoor space to push…

Read MoreCan I use positive input ventilation with internal wall insulation? – Can I Just Ask? | Ep.45

What is PAS2035? – Ep.41

PAS 2035 is the government-backed framework that sets out how retrofit projects in the UK should be planned, delivered, and overseen. Introduced to address the well-documented failures of earlier retrofit programmes, it establishes a structured process that runs from the…

Read MoreWhat is PAS2035? – Ep.41