alexbr Posted January 27, 2022 Share Posted January 27, 2022 (edited) Can i seal all gaps in old floorboards on first floor, with Rockwool Acoustic Intumescent Sealant, before laying new engineering floors, i got few boxes of that stuff, wondering is it flexible for any movement. Edited January 27, 2022 by alexbr Link to comment Share on other sites More sharing options...
JohnMo Posted January 27, 2022 Share Posted January 27, 2022 According to data sheet it should be fine for floor and soft wood https://www.rockwool.com/uk/products-and-applications/product-overview/fire-stopping-products/acoustic-intumescent-sealant-en-gb/?selectedCat=downloads Link to comment Share on other sites More sharing options...
alexbr Posted January 27, 2022 Author Share Posted January 27, 2022 3 hours ago, JohnMo said: According to data sheet it should be fine for floor and soft wood https://www.rockwool.com/uk/products-and-applications/product-overview/fire-stopping-products/acoustic-intumescent-sealant-en-gb/?selectedCat=downloads thanks Link to comment Share on other sites More sharing options...
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