Gasgavalar Posted December 16, 2022 Share Posted December 16, 2022 Hi everyone, I have been fitting under my floor between the joists and have been using Knauf Insulation Omnifit slab 35 which Knauf say is suitable for suspended floors. Struggling to find alternatives that say it’s suitable for suspended floor, has anyone got experience of using wall cavity rock wool in suspended floors? Link to comment Share on other sites More sharing options...
PeterW Posted December 16, 2022 Share Posted December 16, 2022 Yes it can be done but needs something to stop it dropping if it bows so running netting or non woven fabric across the joists helps a lot. Link to comment Share on other sites More sharing options...
Gasgavalar Posted December 16, 2022 Author Share Posted December 16, 2022 Hi Peter, we’ve been using a membrane to stop the insulation slab falling through the gap but asking about using insulation suitable for walls…will it be suitable for floors roo? Link to comment Share on other sites More sharing options...
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