Polycell One Coat Damp Seal Paint 500ml | Interior Damp Seal for Walls & Ceilings | Matt White, Overpaintable, Touch Dry in 4 Hours | Plaster, Cement & Stone

Polycell One Coat Damp Seal Paint 500ml – Interior Damp Sealer for Walls & Ceilings

Tackle penetrating damp quickly and effectively with Polycell One Coat Damp Seal Paint. Specially formulated to seal damp patches on interior walls and ceilings in a single coat, this trusted damp seal prevents moisture from showing through and spoiling your decorations. With a matt white finish that can be overpainted or wallpapered, it's the ideal solution for restoring damp-affected surfaces in any room of the home.

Key Features

• 💧 Seals Penetrating Damp in One Coat – Effective single-application formula saves time and effort
• 🚫 Prevents Damp Showing Through – Stops moisture stains from bleeding through paint or wallpaper
• 🎨 Matt White Finish – Blends with interior surfaces and is ready to overpaint or wallpaper once dry
• ⏱️ Touch Dry in 4 Hours – Fast drying formula (conditions dependent) for quicker project completion
• 🧱 Suitable for Plaster, Cement & Stone – Versatile formula works on a range of common interior surfaces
• 🏠 For Indoor Use – Designed specifically for interior walls and ceilings

Product Specifications

How to Use

Surface Preparation: Ensure the area is clean and dry. Scrape off any loose or flaking paint. If mould or mildew is present, treat with a fungicidal wash first.

Application: Stir thoroughly before use. Apply a generous coat with a brush or roller, ensuring full coverage over the damp patch.

Drying: Leave to dry for at least 4 hours. Once fully dry, overpaint with emulsion or apply wallpaper as desired.

Frequently Asked Questions

Q: What type of damp does this product treat?
A: Polycell Damp Seal is designed to treat penetrating damp — moisture that enters through walls or ceilings from outside. It is not intended for rising damp, which requires a different treatment approach.

Q: Can I paint over Polycell Damp Seal?
A: Yes. Once fully dry, the matt white surface can be overpainted with emulsion paint or covered with wallpaper.

Q: How many coats do I need to apply?
A: Just one coat is required for effective sealing, making it a quick and efficient solution for damp patches.

Q: Is this product suitable for bathrooms or kitchens?
A: It can be used in bathrooms and kitchens for penetrating damp patches, but it is not a substitute for waterproof bathroom paint or specialist moisture-resistant coatings in high-humidity areas.

Q: Can I use this product on exterior walls?
A: No — this product is formulated for interior use only. For exterior damp treatment, a specialist exterior damp-proof product should be used.

Q: What temperature should I apply this product in?
A: Do not apply if the temperature is below 10°C. Apply in dry, moderate conditions for optimal drying and performance.

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