Plaster over Zinsser Gardz

Question

I’m trying to prepare walls ready for a plasterer to come in and skim coat. I’ve taken off wallpaper back to the old skim coat, and the adhesive is a nightmare to get off. I’m not confident there won’t be residue left, so was going to apply gardz to solve that problem. Can a skim coat go straight over gardz, or will I need to PVA/SBR/Blue grit as well?

Sebastian · Accepted Answer

Best once is dry apply SBR the day before and another coat on the same day and then plaster it.

Jason · Answer

You're probably better letting the plasterer sort out what's needs to be done so the skim will hold... As if you do something wrong then it's more work and more cost. But a normal mix of PVA is really good for removing paint and wallpaper and it's residue.  Happens to me all the times I will PVA a wall ready to be skimmed and the PVA makes the paint work start to bubble and then just scrapes off.

Robert · Answer

Hi, you can plaster over zinsser gardz but you won't need to use it. After paper is stripedet it dry then yourself can apply 2 coats of diluted Pva to the surface.

Geoff · Answer

Quick answer is yes you can skim over zinseer gardz. After applying gardz let it dry for a few days till it goes hard and I would apply sbr/pva then skim. Hope this has helped you.

Eddie · Answer

I would advise sbr in this case aswell as a coat if blue grit if you want to make sure you are covered

Ian · Answer

Hi yes I recommend sbr bond Primer before skimming

Edmond Gabriel · Answer

Pva will be helping you a lot.make sure you cover every corner and all surfaces good .
Thank you

Plaster over Zinsser Gardz

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