Indigo Super Seal (Protect Plus): The Ultimate Anti-Dampness & Efflorescence Primer
Indigo Super Seal (Protect Plus) is a revolutionary, high-performance waterproofing base coat specifically engineered to combat the twin threats of efflorescence (white salt patches) and internal dampness. This specialized primer acts as an impenetrable shield, locking moisture and salt deep inside the masonry and preventing them from migrating to the surface to ruin your interior or exterior paint finish.
Positioned within the Indigo ‘Protect Plus’ range, Indigo Super Seal (Protect Plus) offers unparalleled adhesion and penetration. It is the essential first step for any painting project where rising damp, humidity, or salt deposition is a concern. By sealing the pores and neutralizing alkalinity, this product ensures your expensive wall putty and emulsion topcoats adhere perfectly and maintain their true colour for years.
Why Indigo Super Seal is a Superior Barrier?
While many primers claim to offer damp protection, Indigo Super Seal (Protect Plus) features a unique formulation optimized for salt neutralization and bonding:
- Efflorescence Blockade: It chemically isolates the water-soluble salts within the plaster, preventing them from coming to the surface and causing unsightly white patches.
- Deep Penetration: The low-viscosity formula penetrates deep into the porous plaster, sealing the substrate from the inside out and providing mechanical strength.
- Alkali Resistance: Highly alkali resistant, making it safe for application on new plaster where high pH levels can burn the paint colour.
- Versatile Usage: Can be used on both interior and exterior walls where persistent dampness is an issue.
Key Features of Indigo Super Seal (Protect Plus)
- Type: High-Performance Efflorescence and Dampness Resistant Primer/Basecoat.
- Usage: Interior and Exterior Masonry.
- Finish: Matt (Basecoat).
- Adhesion: Exceptional bonding to concrete and cement plaster.
- Application: Ideal base for Acrylic Wall Putty and all types of emulsion paints.
Recommended Application Areas
This anti-dampness base coat is essential for:
- Ground Floor Walls: Areas most susceptible to capillary moisture and rising damp.
- Coastal Regions: Where salt spray accelerates corrosion and efflorescence.
- Bathroom Exteriors: Walls adjacent to wet areas where seepage is a problem.
- Before Putty: It must be applied before wall putty to maximize adhesion and seal the surface effectively.
Technical Specifications: Indigo Super Seal (Protect Plus)
| Feature | Details |
|---|---|
| Type | Solvent-based (Polymer-Modified) Sealer |
| Usage | Interior & Exterior Walls (Anti-Damp) |
| Thinner | Mineral Turpentine Oil (MTO) |
| Dilution | Ready-to-use / 5-10% MTO (if required) |
| Drying Time | Touch Dry: 2-3 Hours | Recoat: 6-8 Hours |
How to Apply Indigo Super Seal (Protect Plus)
Proper preparation is key to stopping dampness permanently:
- Surface Preparation: Remove all loose paint, dust, and peeling plaster. If efflorescence is visible, scrub it off thoroughly. The surface must be dry and clean.
- Application: Apply the first coat of Indigo Super Seal (Protect Plus) generously using a brush or roller. Do not dilute unless absolutely necessary (max 10% MTO). Ensure full saturation.
- Drying: Allow to dry for 6-8 hours.
- Second Coat (Recommended): Apply a second coat for maximum protection against rising damp.
- Finishing: Once the second coat is dry, the wall is sealed. You can now safely proceed with wall putty application, followed by your chosen emulsion topcoat. Read the guide on treating efflorescence before painting.
Frequently Asked Questions (FAQ)
Q: Does this stop active water leakage?
A: No. It manages residual dampness and efflorescence. For structural leakage or high-pressure water, use a dedicated solution like Indigo Damp Stop 2K.
Q: Is this primer waterproof?
A: It provides a strong water-resistant barrier that prevents moisture migration. It is not an elastic coating for roofs or terraces.
Q: Why is it solvent-based?
A: The solvent base is necessary to ensure deep penetration into the masonry and carry the active sealing polymers effectively against capillary action, which water-based products struggle with.






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