Stains on your walls or ceilings can ruin the appearance of a room and create a constant eyesore. However, by using stain-blocking paint, you can permanently seal and prevent them from reappearing. This specialized type of paint not only covers existing stains but also acts as a proactive shield, effectively blocking the penetration of future stains caused by water, smoke, or other common sources.
To help you choose a stain block paint, our hand-picked selection features top-performing paints chosen through our first-hand experience using multiple paints on water stains and dampness. We also thoroughly tested a variety of paints and carried out the latest research.
Our Top Picks At A Glance:
How The DIY Works Team Tests & Rates Stain Block Paints
Stain block paint is a product that we have had plenty of experience with over the years. From water stains caused by a leaking roof to dampness that was recently rectified, we’ve used a range of stain blocker paints to cover stains on many occasions with great success. Although they are a specialst type of paint, it’s just as simple to apply as any other paint.
As shown in the images, we recently tackled a ceiling that had issues with water stains but after using the Zinsser Cover Stain (our best rated stain block paint), the stain was no longer. As shown in the ceiling images below, we put a single coat on the middle stain as a test and the stain never reappeared. We then covered the entire ceiling with the stain block paint, allowed it to dry and then finished up with a coat of emulsion.
If you want to see how easy stain block paint is to use, below is a video that we posted on our YouTube channel that shows us testing our top recommendation (Zinsser Cover).
To keep up our commitment to reviewing and testing the latest stain block paints (for this article), we are continually testing the latest stain block paints. This means that when we notice a brand has released a new and improved paint, we will attempt to buy it and put it to the test (where applicable).
As well as our experience using and testing a range of stain block paints, we also based our recommendations on the latest research and several factors. Some of the factors that we took into consideration included effectiveness, ease of application, coverage, finish, drying time, versatility and value for money.