Cierzo Descaling Cleaner - Removes Efflorescence and Stains from Concrete
Cierzo: descaling cleaner for precast concrete
Construction stains and efflorescence won't come off with a household cleaner, and every failed attempt leaves the surface looking worse. Cierzo is a scrubbing cleaner formulated with inorganic acids, surfactants and wetting agents, designed to remove lime residue and efflorescence caused by soluble salts on precast concrete.
✅ Key benefits
Descaling power: attacks lime residue and efflorescence that resist ordinary cleaning.
Formula with surfactants and wetting agents: wets the surface thoroughly and reaches deep into the pores.
High coverage: approximately 1 litre per square metre.
Prep step before water repellent: leaves the piece clean so that the subsequent treatment penetrates properly.
Designed for precast: formulated specifically for concrete and artificial stone pieces.
🏗️ Recommended applications
End-of-construction cleaning on precast concrete paving.
Removal of efflorescence on facades and artificial stone cladding.
Wall copings, pillars and balustrades with a white lime haze.
Stained pool edges, porches and garden paths.
Preparing the substrate before applying a water repellent.
📋 Technical data sheet
Type: descaling scrubbing cleaner.
Formula: inorganic acids with surfactants and wetting agents.
Action: removes stains, lime residue and efflorescence from soluble salts.
Color: colorless.
Coverage: approximately 1 l/m².
Container contents: 5 kg.
Unit weight: 5 kg.
Units per package: 1.
Supply: sold individually.
🧰 Application
Dry-remove dust and loose mortar debris before wetting anything.
Always do a test in a discreet area and check the result once it has dried.
Read the instructions on the container before diluting and prepare only the amount you are going to use.
Apply and scrub the surface, concentrating on areas with a white lime haze.
Rinse with plenty of water until all the product and dissolved residue have been removed.
Let dry completely before applying any water repellent or finishing treatment.
📦 Available formats
5 kg jug, colorless, single unit.
💡 Professional tip: this is the first product you use, never the last. The classic mistake is to apply water repellent to a freshly finished job and discover the efflorescence afterwards: once it is sealed under the treatment, there is no way to get it out without stripping. The correct order is to clean, rinse thoroughly, let dry for 24 hours or more, and only then apply the water repellent. Always work with gloves and goggles, ventilate if you are indoors, do not mix it with other cleaning products, and first protect window and door frames, metalwork and vegetation, which is where splash marks tend to be left.
Frequently asked questions
What is the Cierzo descaling cleaner used for?
It is a scrubbing cleaner with inorganic acids, surfactants and wetting agents for removing lime residue and efflorescence caused by soluble salts on precast concrete and artificial stone.
What is its coverage and how much does the container hold?
Its coverage is approximately 1 litre per square metre. The container is a 5 kg colorless jug, sold as a single unit.
How is it applied?
Remove dust and loose debris, do a test in a discreet area, apply and scrub, concentrating on areas with a white lime haze, and rinse with plenty of water. Read the instructions on the container before diluting.
Can a water repellent be applied afterwards?
Yes, it is a prep step before the water repellent. Rinse thoroughly and let dry completely before applying any water repellent or finishing treatment. Use gloves and goggles, and do not mix it with other cleaning products.
Frequently Asked Questions
¿Qué es la eflorescencia y por qué aparece?
Es un velo blanco de cal que aflora cuando el agua interna del hormigón arrastra sales solubles hacia la superficie y se evapora. Es un proceso natural del fraguado del cemento, no un defecto de fabricación de la pieza.
¿Se limpia antes o después de hidrofugar?
Antes, siempre. Primero limpiar, luego aclarar, luego secar por completo y solo entonces hidrofugar.
¿Cuánto rinde?
Aproximadamente 1 litro por metro cuadrado.
¿Hay que aclarar después?
Sí, con agua abundante, hasta retirar todo el producto y los residuos disueltos.
¿Puedo usarlo sobre cualquier material?
Está formulado para hormigón prefabricado y piedra artificial. Sobre cualquier otro soporte haz una prueba previa en zona poco visible.
¿Qué protección necesito?
Guantes y gafas como mínimo, ventilación si trabajas en interior, y protege carpinterías, metales y vegetación de las salpicaduras.
¿Se puede mezclar con otros limpiadores?
No. Úsalo solo.
¿Cuánto tiempo hay que esperar antes de hidrofugar?
Hasta que la pieza esté seca por completo, normalmente 24 horas o más según el grosor y el tiempo que haga.
Todo excelente. Tras una primera equivocación con el producto elegido, el equipo de atención al cliente se puedo a trabajar para solucionar el problema y darme una solución adecuada.
