Rustins Stain Blocker & Multi-Surface Primer 250ml- Versatile All-Surface Primer for Blocking Stains and Sealing Porous Materials; Optimal for Walls, Ceilings, and Wood

“Drying time was impressively fast, ready for a topcoat much sooner than expected, which made the job quick and convenient. The 250ml size is a practical amount for smaller patch jobs without overbuying, though larger areas may need more than one tin. Consistency was smooth and easy to spread without being too runny or too thick, and thickness on the wall built up evenly with one coat. It is also water-based and largely odourless, with no overpowering fumes during application, which made working in an enclosed space far more comfortable. Clean-up of brushes and tools was much easier too compared with solvent-based alternatives. Ease of use was excellent throughout, with no fuss in application. It blocked the stain well for the time being, but this is really a short-term solution rather than a permanent fix for the underlying issue. I would strongly recommend calling in a professional painter or decorator to properly address the cause of the staining rather than relying on this alone. Useful to have on hand as a temporary stopgap, but not a substitute for proper repair work.”

Pleased with the coverage but more than one coat required The stain was not too bad.

Very good but I did go over the top and put 4 coats on the ceiling for a water stain. 2 months in and the stain has not returned. I was expecting a thick paint but this water based paint is just like normal wall paint.

Excellent product covers very well and provided a good stable coating for top coat

Initial coverage was good but not long before discolouring was showing through, even after three coats.

Needs a few coats as it’s water based so it’s easy to clean up afterwards. If it’s a heavy stain you will need an oil based blocker.

Good quality and the price is good. No odour and easy to use and apply.

This stuff is really good. It covers stains with one coat.

But almost twice the price of Kilz 3 Premium Interior Exterior. Rustins is made in the United Kingdom. It's extremely thick and dries quickly, so any of it applied has to be smoothed out immediately--if it isn't a hard glob or ridge will develop in seconds. Kilz dries quickly, too, but it's thinner and easier to work with. I bought the Rustins for a bedroom painted an extremely dark blue-green that had the paint slopped on so that the stains weren't originally visible. First I sanded with a Makita 18v jitterbug, then two thin skim coats of plaster to even up the plowed field surface--that's when numerous black stains appeared thru the white plaster. The Rustins was first applied with a roller on the large area that had numerous black stains 1/2 inch diameter and smaller, and on scattered small stains. Some still showed black and had to be coated a second, third and fourth time with a small brush. That's when I knew it was no better than Kilz. The can had a rough life with numerous brutal dents by the time I got it. The lid wasn't fully tapped close and dried flakes were on the lid when opened. A small amount of hard dried paint was in the box.

Perfect Thank you

This product covered water stains perfectly. I would definitely recommend purchasing!