I'm having trouble painting the window reveals, I decided to paint the corners where the beads were with zinsser primer sealer to prevent any rust stains possible leeching through, but now when ever I paint the reveal with contract matt paint it is leaving a horrible step where I've used the zinsser sealer. I've sanded the whole reveal so its level and smooth but it still leaves a step after repainting again Has anyone got any advice or tips to correct this?
Got a photo gives use a better understanding your problem. Might be better with a stabilishing solution like Everbuild 406.
I've got some zinsser gardz which is supposed to seal chalky paint. Would it be going over the mist coat with this before giving a top coat?
Quite the opposite actually, Leyland contract matt is really thick and needs watering down especially for mist coat. What I was thinking was to give the wall a light sanding so it's all smooth again. Then give it a coat of zinsser guards which I hope would stabilise the surface.
Which Zinsser product did you use; Cover Stain 123 BIN I've had same problem before after using BIN (shellac based) over a water stain The emulsion just wouldn't adhere to it but was building up around the surrounding area, creating a step Sanded down the emulsion, then gave the BIN a light rub down , say 180 paper, wiped down then all was ok. Can't remember what emulsion it was, maybe Leyland actually, all blended in nicely for an invisible repair Good luck
I think you will get better results with Zinsser Gardz as it's a water based prouduct. A coat over the mist coat should work ok.
Initially I had used 123 but I was getting the same problem, I thought with it being water based it would not cover any potential rust stains anyway so I used bin over the top of it. I'm going to give it a go with gardz tomorrow and see if it fixes the problem. The paint seems to build up more over the parts that aren't painted with bin hence the step and rough paint effects between the two surfaces But I need to sort this out obviously before doing the top coats
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