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Showing results for tags 'retrofit mvhr'.
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Question from a novice (not sure where to post this). How would you go about blocking up 3 extract fan vents? 2 bathroom extracts (100mm) and 1 kitchen extract (150mm) - I'm having an MVHR system installed next week (retrofit) so I want to remove and block up these 3 vents. (Obviously I'll work on airtightness elsewhere) - Walls are brick and block. - Bungalow so it's all accessible - I'll then have the failed CWI extracted and replaced with EPS beads - overall objective of retrofit is to get rid of condensation and make my home more sustainable (use less energy) Do I need to try and leave a cavity? Would people just use expanding foam? How do I prevent a thermal bridge? Any recommendations of products please? The vents are close to the soffits.
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- extractor fan ventilation
- airtightness
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