For an interior wall dealing with moisture, the best choice is a specialized waterproofing or anti-condensation paint. The ideal product depends on the surface condition:
Methods of Damp Proofing
Waterproof Paints: Specially formulated waterproof paints like Nippon Paint's Hydroshield Exterior can be used to protect the exterior walls from moisture. The Damp Proof Course (DPC) is often complemented with a layer of waterproof paint to provide an extra line of defense.
Polycell Damp Seal Paint has been specially formulated to seal patches of penetrating damp on interior walls and ceilings in just one coat, preventing them from showing through and spoiling decorations.
Semi-gloss and satin finishes are the raincoats of the paint world—durable, moisture-resistant, and easy to clean. Semi-gloss offers a higher sheen and is ideal for areas near sinks or tubs, while satin has a softer look but still holds up well against humidity.
Damp proof paint is specifically formulated for treating interior wall surfaces and can be easily applied and maintained. It can be used on walls, floors and ceilings, forming an impermeable barrier against water. This makes it an effective solution for preventing damp growth.
Rising damp, penetrating damp, traumatic damp and condensation are the four most common types of damp in residential homes.
You should not paint directly over mould and damp, as this could worsen the problem. Instead, you'll need to address the cause of the issue, remove the existing mould and damp, and thoroughly clean and dry out the affected area before redecorating.
Moisture-resistant paint will still allow the paint to exhale any trapped moisture to further prevent mold and mildew, providing proper care is given in eliminating existing mold and mildew before applying the finish.
Standard waterproofing paints like KILZ, DRYLOK, and Zinsser are primarily designed to provide surface-level protection against moisture infiltration. They excel at creating water-resistant coatings that help repel water from masonry surfaces and inhibit the growth of mildew.
🎨 Benjamin Moore Aura® Bath & Spa – A high-humidity resistant paint ideal for bathrooms and spas. 🎨 Behr Premium Plus Ultra® – A durable, mildew-resistant formula for interior surfaces. 🎨 Zinsser Perma-White® – Specially designed to prevent mold and mildew in humid environments.
Perma-White® Mold & Mildew-Proof™ Interior Paint is a high performance acrylic interior paint formulated to protect interior surfaces while preventing mold & mildew growth on the paint film. Perma-White is designed to produce a tough, durable, washable finish that withstands moisture and resists dirt pick up.
The damp-proof emulsion paint preparation method comprises the following steps that 1, two thirds by weight of deionized water, one third by weight of defoaming agent, a dispersing agent, bentonite, titanium dioxide and ground calcium carbonate are added into a stirring machine, and stirring is conducted at the ...
PermaSEAL damp proof paint is a multipurpose, high-performance product. It can fulfil a range of purposes, including: A general interior damp proof paint for multiple surfaces including render, plaster, brickwork. Suitable for both walls and ceilings.
Damp-proof paint usually applies like ordinary paint. In most cases, two coats are sufficient. If necessary, apply a primer beforehand.
Once they are installed, they can prevent the dampness from travelling up the walls by capillary action. You can even use damp proof paint for roof or paint for damp walls interior, for ultimate protection.
Zinsser Perma-White is a mould resistant, scrubbable interior paint that has contains a biocide that protects the dried coating against fungal degradation. The paint comes with a lifetime durability guarantee thanks to it's scuff & scrub resistance, as well as it being self-priming and fade resistant.
Summer: Peak Mold Growth Season
Summer is by far the worst time of year for mold growth. Warm air holds more moisture, and when combined with poor ventilation, it creates an ideal environment for mold colonies to thrive indoors.
Never paint over mildew—it will grow through new paint, which will make subsequent cleaning and maintenance even more difficult.
Paints with a glossy sheen—like satin or semi-gloss—are best for humid rooms. Instead of absorbing moisture like matte or eggshell paint, they deflect it. Glossy paints can resist moisture because they have a more complex finish. Another benefit of using glossy paint is that it is easy to clean.
Microfiber. The soft material is often used to clean glasses, phones, and computer screens. Made from polyester, it's water-resistant before a coating is applied. Once the material is treated, it's 100% waterproof.
Moisture Vapor Barrier Primer/Finish Interior Latex is a coating designed to reduce the loss of moisture through walls and ceilings. It combines a primer and finish in a single, fast drying coat and is specially formulated for manufactured housing facilities.
Mold-resistant paints are good for prevention, but they don't kill existing growth. You need to remediate any existing growth for mold-resistant pain to be effective.
Benjamin Moore®'s Element Guard® is formulated to tackle high moisture, so exterior surfaces in wet, humid environments are protected. Its mildew-resistant coating offers extra protection that stands up to all types of moisture.
To avoid these problems, we recommend painting with a satin or semi-gloss paint. These materials have a higher gloss value, which means they offer a harder, moisture-resistant finish. In addition to the benefits of moisture resistance, satin and semi-gloss finishes are also washable and easy to clean.