I'm replacing the 2-3mm foam layer in our sub-floor (sits between hardwood ply and floating floor tiles). It's similar to this product [https://www.floordepot.co.uk/item/24041002/vapour-barrier-3mm-foam-underlay](https://www.floordepot.co.uk/item/24041002/vapour-barrier-3mm-foam-underlay)
Which replacement material would offer the best thermal and acoustic insulation at 2-3mm out of cork, rubber, or Mass-Loaded Vinyl?
Which replacement material would offer the best thermal and acoustic insulation at 2-3mm out of cork, rubber, or Mass-Loaded Vinyl?
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Not looking to access cavity to insulate between rafters as short on time, just to upgrade the foam layer for now.
Want to make kitchen quieter and floor warmer. Realise 2-3mm can't dramatically improve thermal efficiency but looking to upgrade the foam currently there without raising floor height. (edited)