FR
ES
DE
NL
PL
PTAnti-saltpetre
SCALP ANTI-SALPÊTRE is a professional-grade, triple-action treatment designed to eliminate saltpeter (efflorescence) from walls and prevent it from returning. Its water-repellent, strengthening, and bactericidal formula treats affected mineral surfaces such as brick, concrete, stone, and plaster, restoring structural integrity and preparing walls for long-lasting finishes.
Rising damp and nitrate-rich materials often lead to saltpetre deposits, weakening walls and causing paint, wallpaper, or decorative coatings to fail prematurely. SCALP ANTI-SALPÊTRE targets the root causes by:
- Blocking moisture with water-repellent action
- Reinforcing weakened substrates for long-term durability
- Neutralising nitrifying bacteria and stabilising salts
Ideal for renovation projects or surface preparation, this treatment ensures a stable, durable, and clean wall ready to receive coatings without the risk of flaking or deterioration.
SCALP NDS 72 is an efflorescence remover designed to eliminate white salt deposits and neutralise alkaline residues following cleaning or stripping operations. Its powerful acidic impregnating formula delivers fast, deep action, ensuring mineral surfaces are fully stabilised and ready for finishing treatments.
This professional solution is particularly effective for treating efflorescence on brick, concrete, plaster, and stone, restoring the appearance of façades while improving coating adhesion and long-term durability.
What Causes Efflorescence in Bricks and Masonry ?
Efflorescence in bricks occurs when moisture carries mineral salts to the surface of porous materials. As water evaporates, visible white deposits form, affecting both appearance and substrate performance.
If left untreated, efflorescence on brick and masonry can:
- Damage surface appearance
- Prevent proper adhesion of paints and coatings
- Lead to recurring moisture-related defects
- Weaken porous building materials over time
SCALP NDS 72 penetrates deep into the substrate to dissolve salts, neutralise alkaline residues, and stabilise the surface to help prevent recurrence.
What are anti-saltpetre products ?
Anti-saltpetre products are specialised treatments designed to eliminate and prevent saline efflorescence — the whitish deposits that appear on walls due to dampness, particularly from capillary rise or poor ventilation. These unsightly marks are caused by the accumulation of mineral salts (nitrates, chlorides, sulfates) on the surface of building materials and can sometimes be structurally damaging or cause plaster to deteriorate.
The primary purpose of anti-saltpetre treatments is to neutralise these salts, sanitise affected substrates (such as stone, brick, concrete, plaster), and prevent further migration of salts to the surface. Some products also provide water-repellent or consolidating properties, helping to strengthen materials exposed to damp conditions over the long term.
When and how to apply an anti-saltpetre treatment ?
Anti-saltpetre products are recommended in the following situations:
- On interior or exterior walls showing white deposits or visible signs of salt.
- After a capillary rise treatment, to neutralise salts already present in the substrate.
- In preparation for a renovation project, before applying plaster, paint, or cementitious finishing coatings.
The substrate must be dry, clean, and structurally sound before application. In cases of biological contamination or surface dirt, prior cleaning with a suitable detergent or anti-foam treatment may be necessary.
SCALP anti-saltpetre products can be applied using a brush, roller, or spray, depending on the substrate and surface configuration. They penetrate deep into the material without altering its appearance.
Can anti-saltpetre treatments be used with other products ?
Yes — anti-saltpetre treatments are often used in combination with other protective or finishing products :
- After treatment, applying a water-repellent helps prevent moisture from re-absorption into the substrate, stopping the salt crystallisation process from starting again.
- It is also possible to apply a finish coat or microporous paint to the treated surface, provided the recommended drying times are observed.
Where to buy our products ?
Our products are available from over 2,000 sales outlets, via professional paint, materials and industrial hardware distribution networks.
Please contact us for more information :
