If you are having issues with damp walls or ceilings in parts of your home, its important not to leave it, as it is likely to only get worse over time. Smartseal Damp Proof Paint has been extensively tested to guarantee high performance, and to help prevent dampness on walls and ceilings appearing again. The damp proof paint is suitable for internal and external use. The liquid dpm can quickly stop water ingress on walls and help prevent the spread of penetrating damp. Smartseal Damp Proof Paint is a ready-to-use, liquid damp-proofing paint which can help to protect against water ingress on porous substrates, such as concrete brickwork and render. It is specially formulated for for use as part of a below ground-level waterproofing systems. The damp proof paint provides a seamless, waterproof, radon barrier under plaster or renders.