Dee Posted January 26 Share Posted January 26 Can expanding foam be used to fill and stick MDF panels to uneven plastered walls? I resorted to zig zagging adhesive but not convinced! I tried it today but the foam just 'rolled' off....the panels are 600 x 1200. What's the best technique to stick them? Thanks! Link to comment Share on other sites More sharing options...
Thorfun Posted January 26 Share Posted January 26 I bought some of this https://www.toolden.co.uk/sealants-adhesives/adhesives/grab/illbruck-pu700-multi-purpose-construction-adhesive/?gad_source=1 seems pretty solid. used it to stick timber to my screed that has ufh pipes in it as I didn't want to screw into the screed. can't you use fixings though? would be rock solid with mechanical fixings Link to comment Share on other sites More sharing options...
Dee Posted January 27 Author Share Posted January 27 I could use mechanics but mbf is only 9mm thick Link to comment Share on other sites More sharing options...
SteamyTea Posted January 28 Share Posted January 28 Some MDF has a release agent built in, why it is not used to reinforce composite plastic parts. Link to comment Share on other sites More sharing options...
Dee Posted January 28 Author Share Posted January 28 12 hours ago, SteamyTea said: Some MDF has a release agent built in, why it is not used to reinforce composite plastic parts. Eh? Link to comment Share on other sites More sharing options...
SteamyTea Posted January 28 Share Posted January 28 18 minutes ago, Dee said: Eh? Many materials have chemicals added to them to help the manufacturing process. Some MDF have a resin that bonds to timber, but rejects water. This is because one end of the molecule hydrophobic (non polar), this rejects water (polar), and other materials that have the same electrical charge. Link to comment Share on other sites More sharing options...
TonyT Posted January 28 Share Posted January 28 Remember you get expanding foam and in similar sized cans adhesive different products Link to comment Share on other sites More sharing options...
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