1. What is JENOLITE Stain Blocker Paint?
JENOLITE Stain Blocker Paint is a high-opacity white primer and sealer designed to cover and permanently block stains on walls, ceilings, and other surfaces. It seals in existing marks such as mould, rust, grease, and nicotine, preventing them from reappearing through the topcoat.
2. What types of stains does it cover?
It effectively covers and blocks a wide variety of stains, including:
- Damp and mould stains
- Rust and water marks
- Nicotine and smoke damage
- Grease and oil stains
- Soot, crayon, and pen marks
- Mildew and general discolouration
3. Can it be used on damp surfaces?
Yes. The fast-drying formulation can be applied directly to damp surfaces, making it perfect for use in kitchens, bathrooms, and other high-moisture areas where stains often occur.
4. What surfaces can it be used on?
JENOLITE Stain Blocker Paint is suitable for:
- Plaster and plasterboard
- Wood and woodwork
- Cement and concrete
- Brickwork
- Ceilings, windowsills, and interior walls
It can also be used as a primer and moisture-resistant basecoat before applying your chosen decorative finish.
5. How do I apply the paint?
- Stir well before use for a uniform mix.
- Apply with a brush or roller in smooth, even strokes, ensuring full coverage.
- Build up several thin coats, allowing time to dry between applications.
- Once dry, the surface can be left as-is for a clean white finish or painted over with emulsion, gloss, or satin topcoats.
6. How long does it take to dry?
JENOLITE Stain Blocker dries quickly — achieving a full cure within 60 minutes under normal conditions.
Touch dry in approximately 30 minutes, depending on temperature and humidity.
7. What’s the coverage per litre?
Each 1 Litre tin provides up to 22 square metres of coverage, depending on the porosity and texture of the surface.
8. Does it act as a primer?
Yes. JENOLITE Stain Blocker doubles as a primer and sealer, helping to prepare the surface for topcoats and preventing moisture or stains from reappearing through the paint layer.
9. Can I paint over it?
Absolutely. Once fully dry, the Stain Blocker can be painted over with most water- or oil-based paints, offering a bright, durable base for decorative finishes.
10. Is it suitable for exterior use?
No. It is formulated for interior applications. For outdoor surfaces exposed to weather or moisture, use a dedicated exterior-grade primer or sealer from the JENOLITE range.
11. Is it safe to use in bathrooms and kitchens?
Yes. Its moisture-resistant and stain-sealing properties make it ideal for humid or condensation-prone areas, such as bathrooms, utility rooms, and kitchens.
12. How should I clean brushes and tools after use?
Clean brushes and rollers immediately after application using warm soapy water or an appropriate solvent, depending on the type of paint used.
13. What precautions should I take?
- Always use in a well-ventilated area.
- Avoid inhaling vapours during application and drying.
- Keep away from open flames or heat sources.
- Store the tin in a cool, dry place away from direct sunlight.
14. Where is it made?
JENOLITE Stain Blocker Paint is made in Britain, ensuring reliable, professional-grade performance and quality.
