Conor Posted May 10, 2021 Share Posted May 10, 2021 We're using compactfoam for our door blocks, these need to be set on a lean concrete mix. There will be 75mm or so under the compact foam that will be a potential cold bridge. Architect has suggested an insulated vermiculate concrete mix. Only mixes I've found (6:1) are for screeding and don't contain sand or stone. Anybody have a mix? Was think 6 coarse vermiculite, 3 sand and 1 cement. Link to comment Share on other sites More sharing options...
PeterW Posted May 10, 2021 Share Posted May 10, 2021 Vermiculite concrete will compress 1 Link to comment Share on other sites More sharing options...
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