Birla White Activcoat Interior Primer, 20 Litre Bucket
Birla White Activcoat Interior Primer, 20 Litre Bucket
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Product Highlights
Quick Answer: What is ActivCoat Interior Primer used for?
Birla White ActivCoat Interior Primer (20L) is a white cement-based liquid primer designed to create a high-opacity, strong-adhesion base coat on interior walls—helping your topcoat paint look brighter, more uniform, and longer lasting.
Manufacturer: Birla White (UltraTech Cement Limited – Birla White Unit)
Product: ActivCoat Interior Primer (White Cement-Based Liquid Primer)
Pack Size: 20 Litre Bucket
Best For: Interior plaster / putty finished surfaces before emulsion or wall paint
Why Professionals Choose ActivCoat
- Better Opacity & Whiteness: Helps bring out the true tone of your paint colour.
- Strong Adhesion: Improves bonding with topcoat emulsions and helps reduce peeling risks.
- White Cement Advantage: Cement-based compatibility with cementitious surfaces like plaster, putty & concrete.
- No Pre-wetting / Curing Needed: Simplifies application workflow for faster site execution.
- Interior-Ready Base Coat: Supports a smoother, more even finish and improved topcoat appearance.
Product Description
If you’re looking for a reliable interior wall primer that improves paint finish and reduces patchiness, Birla White ActivCoat Interior Primer is designed to give your walls a clean, high-opacity base. Being a white cement-based liquid primer, it’s engineered for strong bonding on common interior substrates like cement plaster, putty-finished walls and concrete surfaces.
Technical Specifications (Quick Reference)
| Specification | Details |
|---|---|
| Coverage (ideal smooth surface) | Interior: 160–200 sq.ft / Litre / coat (actual may vary by surface & method) |
| Surface Dry Time | ~30 minutes (can vary with climate) |
| Recoat / Overcoatability | ~4–6 hours (reference condition: ~27°C, RH ~60%) |
| Dilution | Dilute with clean water (commonly 1:1 by volume as per brand guidance) |
| Application Method | Brush / Roller / Spray (after suitable dilution) |
| Shelf Life | Up to 3 years (in original, tightly closed container; store away from heat/sunlight) |
| Safety | Non-flammable (handle as per label & site safety) |
Note: Coverage and drying depend on surface porosity, texture, application method, and site conditions.
Recommended Use Cases
- New Interior Walls: Plaster/putty finished walls before interior emulsion paint.
- Repainting Projects: Improves uniformity when colour tone changes or patchiness shows through.
- High-Opacity Base Needs: Ideal where brighter shades or lighter colour palettes need a cleaner base.
- Ceilings & Interior Concrete: Helps create a more even paint-ready surface.
Application Guidelines
Best-Practice Steps (Contractor Friendly)
- Surface Prep: Ensure the wall is clean, dry, dust-free and free from loose material, oil or grease.
- Repair First: Fill cracks/dents and complete putty work before priming for best finish.
- Dilution: Mix with clean water as per on-pack / brand guidance (commonly 1:1 by volume).
- Application: Apply evenly by brush/roller/spray (avoid over-thinning).
- Dry & Recoat: Allow adequate drying; then apply your paint coats as recommended.
- Finish Coat Timing: For best results, apply finishing coat soon after priming (follow site conditions + brand guidance).
FAQs
1) Is Birla White ActivCoat a cement-based primer?
Yes. Birla White describes ActivCoat as a white cement-based liquid primer, built for better compatibility with cementitious wall surfaces.
2) Where can I use ActivCoat Interior Primer?
It is commonly used on interior plaster/putty finished walls as a base coat before emulsion paint. Always follow on-pack instructions for substrate suitability.
3) What dilution ratio should I use?
Birla White recommends dilution with clean water (often referenced as 1:1 by volume). Use only clean water and mix to a homogeneous consistency.
4) How much area will a 20L bucket cover?
Coverage varies by surface. On ideal smooth surfaces, coverage is typically stated in the range of 160–200 sq.ft per litre per coat. Rougher/porous surfaces will reduce coverage.
5) Do I need curing or pre-wetting before applying this primer?
Birla White states pre-wetting/curing with water is not required for this primer, which helps speed up site execution.
6) Can this primer be used as a final finish coat?
No. ActivCoat is designed as an undercoat/primer layer, not the final decorative finish.
7) Does this primer support greener building requirements?
Birla White notes ActivCoat meets the requirement of the GreenPro standard (as stated in their FAQs). Always retain purchase and product details for documentation needs.
Why Buy from MaterialRunner?
- Authentic Stock: Genuine building material supply for your painting projects
- Project Support: Guidance on primer + putty + paint system selection
- Bangalore Delivery: Convenient local fulfilment for urgent site requirements

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