swsjames Posted June 18, 2018 Share Posted June 18, 2018 I have been making buildings for my layout by constructing a foamboard carcass and covering it with appropriate brickpapers or styrene sheet. It is light, rigid and easily cut. Today, I had to take an ill fitting part off, and discovered that the Uhu adversive I was using to glue the foamboard components together had dissolved the foam core of the board. It weakens it and leads to distortion of small elements of the carcass. I expect everyone except me already knew this! But if you didn't, be warned. Can anyone recommend a more suitable adhesive to use with foamboard? - ideally strong and fairly fast setting but which doesn't attack the plastic foam! Link to post Share on other sites More sharing options...
johnb Posted June 18, 2018 Share Posted June 18, 2018 I use a hot glue gun. Holds well and sets quickly, alternatively have used PVA but is slower setting by quite a margin. John Link to post Share on other sites More sharing options...
MikeTrice Posted June 18, 2018 Share Posted June 18, 2018 Pretty sure I have used UHU Solvent Free Link to post Share on other sites More sharing options...
34theletterbetweenB&D Posted June 18, 2018 Share Posted June 18, 2018 I'd usually use PVA, mostly for economy, but also allows time to make adjustments. Copydex is handy to just tack together pieces which may need to be removed, the rubbery bond is strong enough, but will pull apart. 3M spray mount adhesive is very effective if there is ever a need for bonding foamboard surfaces. Link to post Share on other sites More sharing options...
RMweb Gold Scottish Modeller Posted June 18, 2018 RMweb Gold Share Posted June 18, 2018 Hi all, Correct - normal UHU will disolvefoamcore. It will also eat plasticard if used to laminate sheets together. The solvent free version is OK though. There are fast setting PVA glues available as well. Thanks Link to post Share on other sites More sharing options...
Ben Alder Posted June 18, 2018 Share Posted June 18, 2018 Another thumbs up for UHU solvent free. All the advantages of trad UHU without the smell and cannibal tendencies... Link to post Share on other sites More sharing options...
LBRJ Posted June 18, 2018 Share Posted June 18, 2018 Again solvent free UHU, a hot glue gun or even PVA with a few pins to hold it all whiel it sets (thats like miniature baseboard building!) Link to post Share on other sites More sharing options...
mikeg Posted June 19, 2018 Share Posted June 19, 2018 I have used canopy glue with good results it dries clear quite quickly but is not good with plastikard as it dries out and you can peel the plastikard off the foamboard very easily. As I usually use printed paper overlays on the foamboard carcass I use Prikstick to fix them as you can move them into position easily, then press out any air bubbles with a cloth. Regards mikeg Link to post Share on other sites More sharing options...
Campaman Posted June 21, 2018 Share Posted June 21, 2018 I have used the Solvent free UHU glue but have found joints go brittle after a while. I now use No More Nails type white glues, quick grab and strong bond on a variety of materials. Link to post Share on other sites More sharing options...
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