mickespite Posted October 20, 2024 Posted October 20, 2024 About to do some insulation work and trying to figure out if it would be worth pumping my cavity walls with beads ? I live upstairs in a (2004 build) Duplex apartment, Concrete slab floor, I have been told by an Engineer that its probably 100mm cavity and 50mm expanded polystyrene insulation inside, pumping would give me an extra 50mm of insulation. Worth it ? I heard the outer leaf can remain wet once the cavity is gone ?
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