SteveyDee68 Posted April 11, 2020 Share Posted April 11, 2020 I want to finish some card buildings with a render like finish. Any recommendations/techniques, as I would imagine painting would make the card soggy? Thanks Steve S STAY HOME - STAY SAFE - KEEP MODELLING Link to post Share on other sites More sharing options...
RMweb Gold simonmcp Posted April 11, 2020 RMweb Gold Share Posted April 11, 2020 You might try matt varnish, not water based, and then some people use textured tissues with a thin mix of plaster painted on. The advantage of plaster is it looks like stone when painted with thin washes. It does also depend on the quality of card you use. Simon 1 Link to post Share on other sites More sharing options...
grahame Posted April 11, 2020 Share Posted April 11, 2020 (edited) No problem with painting card. I usually prime it first (with Halfords grey aerosol) then top coat with a hobby acrylic. Then seal with an acrylic matt varnish (also from an aerosol). I've never experienced soggy card. Edited April 11, 2020 by grahame 1 2 Link to post Share on other sites More sharing options...
LBRJ Posted April 11, 2020 Share Posted April 11, 2020 Emulsion paints, from them little test pots, and a sprinkle of talc give a good effect in the smaller scales. Or textured sandstone exterior type paint or fine sand sifted over paint for a rougher finish. Never had emulsion make card go soggy, or any of the acres of wallpaper I must have painted with the same stuff. 1 Link to post Share on other sites More sharing options...
monkeysarefun Posted April 11, 2020 Share Posted April 11, 2020 Depending on the card, you can try to peel the top layer off - slide a blade into a corner and see if it peels off. like peeling the backing off of a sticker except that you want to keep the backing part rather than the top. If done carefully the undersurface that results is rough and similar to render. I use thin card for this and glue it to a thicker backing then paint. 1 1 Link to post Share on other sites More sharing options...
SteveyDee68 Posted April 12, 2020 Author Share Posted April 12, 2020 Thanks for all the feedback. Will try on some practice pieces and see how they turn out. Link to post Share on other sites More sharing options...
Tim Chambers Posted April 12, 2020 Share Posted April 12, 2020 Always always prime card with "Knotting Solution" by Colron-it almost takes on the consistency of plywood and you can do almost anything with it! For render, yes, try fine sand, "textured" paint or even white pepper. 1 1 Link to post Share on other sites More sharing options...
RMweb Premium acg5324 Posted April 13, 2020 RMweb Premium Share Posted April 13, 2020 (edited) I used a texture stone spray before overpainting with acrylics to get a rough cast concrete finish in this building, which is largely made of mountboard. Edited April 13, 2020 by acg5324 1 5 Link to post Share on other sites More sharing options...
detheridge Posted May 10, 2020 Share Posted May 10, 2020 On 12/04/2020 at 06:06, Tim Chambers said: Always always prime card with "Knotting Solution" by Colron-it almost takes on the consistency of plywood and you can do almost anything with it! Hi Tim, Do you prime card parts before or after assembling the parts? Does the solution/shellac affect the glued joints at all? Link to post Share on other sites More sharing options...
grahame Posted May 10, 2020 Share Posted May 10, 2020 I've primed card models after assembly and also sometimes the separate parts. Never had a problem with it affecting the glue. Why not give it a try? 1 Link to post Share on other sites More sharing options...
Paul C Posted May 20, 2020 Share Posted May 20, 2020 I've had good success painting with a thinnish (double cream consistency) mix of powdered wall filler straight onto the card, followed by painting with acrylics once dry. To avoid warping, I put it under something heavy whilst still damp (but not wet). Link to post Share on other sites More sharing options...
Chubber Posted August 24, 2020 Share Posted August 24, 2020 (edited) Very late to this but I'd suggest using watercolour paper to clad the model. Edited August 24, 2020 by Chubber 4 Link to post Share on other sites More sharing options...
Campaman Posted August 27, 2020 Share Posted August 27, 2020 Cartridge paper also has a texture so you could also use that. Link to post Share on other sites More sharing options...
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