Aug 28, 2019 · Oil-based stain blocks – These are probably the most effective stain blocks available, so you might use them on very difficult stains like water-damage and mould. The biggest downside is the smell, which can be quite overpowering in a confined space. Extended drying times can also be an issue. Shellac Stain Blocks – I like using

Apr 15, 2020 · Zinsser Cover Stain is a very widespread product which just about every Professional Decorator uses on a regular basis. There have been copycat products, but nothing has yet to come close. There’s a reason for this. Cover Stain is a versatile, quick drying solution for a lot of issues you can encounter when decorating.

Sep 4, 2023 · The overall performance is good too. Its stain blocking capabilities far exceeds any other water-based product I have used. Adhesion is also up there. I have tested Zinsser BIN Aqua extensively on different types of materials, and it’s been perfect every time. For instance, it’s fantastic for priming previously stained or varnished timber ...

Feb 21, 2024 · The Best Paint to Block a Water Stain . If budgets are tight, or you’re worried about overspray onto adjacent walls, tiles or whatever, use the old-fashioned paint brush method rather than an aerosol! There is plenty of choice of what to use; probably the most tried-and-tested product, and for years the favoured option for professional decorators (partly because there weren’t that many ...

Nov 13, 2024 · Polycell Stain Block Review . For me, the aerosol is a really handy product to have with you, but it’s not cheap. The traditional format has too many downsides, most notably the horribly thick consistency and the long drying time; there are plenty of alternatives nowadays in both oil- and water-based paints that are easier to use, cheaper, and dry

Dec 10, 2021 · This isn’t to say a coat of PS1 is less capable of blocking a stain because it’s thinner than BIN. I have tested both products side-by-side and they’re both extremely effective when it comes to blocking nasties. Another difference is the opacity. Most paint is made by scientists in a lab.

Jan 16, 2024 · This is a fully water-based adhesion primer, stain block and knot blocker in one. It has great opacity (which often means you don’t need to apply as many topcoats). It’s easy to use too, and creates the perfect base for additional coats of paint. Zinsser BIN Aqua is a product I can wholeheartedly recommend.

Apr 16, 2020 · Zinsser BIN is the industry leader in shellac-based primers. You wouldn’t use it as a finish coat. It’s more of a problem-solving product before overpainting with something else. Zinsser BIN is a stain block, adhesion primer and barrier coat all in one. With a drying time of 15 minutes and re-coat in 45 minutes.

Jan 4, 2025 · Tin sizes range from 2.5L to 10L buckets. It is a fully water-based product with a re-coat time of 4 hours. Smells lovely too!! Johnstone’s StainAway is advertised as a stain block and finish coat in one. I wanted to love this product! It held so much promise. It genuinely without any issue stain blocked a really badly water-stained ceiling.

Jul 16, 2023 · I used their anti-mould cleaner spray, followed by 2 coats of Cover Stain, which I find has better stain blocking properties than a water-based alternative. Then after that was fully dry, I used 2 coats of Perma White matt. It’s still white and fresh. But will be following that closely. (Of course, a stronger extractor and airflow was advised).