4.4/5 par + de 103 avis

Interior varnish

In order to select a protective coating for your interior flooring or walls, you must first determine the intended use of the surface.
For moderate traffic (stairways, bedrooms, etc.) use Harmony Premium Concrete Sealer, in satin or matte finish.
For heavy traffic (kitchens, showers, work surfaces, stores, etc.), use Harmony Pore Sealant + Harmony Optimum Concrete Sealer, in matte, satin or gloss finish.
For potentially slippery surfaces (patios, exterior stairways, showers), add anti-slip powder to your lacquer.

Optimum® Concrete Varnish -... -15%
10 avis
In stock

Optimum® Concrete Varnish - High Protection

done Two-component polyurethane
done Highly resistant to water and grease
done Matte, satin or gloss finish
The Optimum Concrete Varnish is a two-component resin designed to provide superior protection...
€49.36 tax incl. €58.07
  • -15%
Concrete Varnish Premium® -35%
10 avis
In stock

Concrete Varnish Premium®

done Single-component, water-based
done Light-duty protection for walls, furniture and more…
done Matte or satin finish
The Concrete Varnish Premium® is a water-based, single-component varnish designed to protect...
€17.28 tax incl. €26.58
  • -35%
Pore Filler -35%
10 avis
In stock

Pore Filler

done Reduces substrate porosity
done Water-repellent waterproofing treatment
done Clear and odorless
The Pore Filler is a water-based product specifically designed to prepare surfaces before...
€11.76 tax incl. €18.10
  • -35%
Pore Filler & Optimum... -20%
10 avis
In stock

Pore Filler & Optimum Varnish Kit

done Complete system: surface preparation + varnish
done Complete protection against water and grease
done Highly resistant to heavy foot traffic
Achieve a durable, high-quality finish for your béton ciré surfaces. This versatile kit,...
€177.31 tax incl. €221.64
  • -20%
Hydro® Varnish for Concrete -35%
10 avis
In stock

Hydro® Varnish for Concrete

done Suitable substrates: power-trowelled or quartz-finished concrete
done Light satin finish
done Single-component, water-based
The Hydro Varnish for Concrete is a water-based varnish specifically designed to protect and...
€18.02 tax incl. €27.72
  • -35%
Hydro varnish kit with... -30%
3 avis
In stock

Hydro varnish kit with decap cure

done Light satin finish
done Removes curing compounds and varnish
done Substrates: quartz-finished or power-trowelled concrete
This kit consisting of decap cure, neutral cleaner and hydro varnish will allow you to...
€57.03 tax incl. €81.47
  • -30%
Hydro varnish kit for... -35%
2 avis
In stock

Hydro varnish kit for smooth concrete

done Cleaner + varnish
done Substrates: quartz-finished or power-trowelled concrete
done Light satin finish
Protection kit for surfaces from 25 to 100 m². This kit consisting of neutral cleaner and...
€36.39 tax incl. €55.98
  • -35%
SAV B-Component Varnish...
In stock

SAV B-Component Varnish optimum Mat

done Component B only
done Matte finish
Harmony concrete puts at your disposal in case of need of hardener added, the component B alone...
€22.64 tax incl.
SAV B-Component Varnish...
2 avis
In stock

SAV B-Component Varnish optimum Satin

done Component B only
done Satin finish
Harmony concrete puts at your disposal in case of need of hardener added, the component B alone...
€22.64 tax incl.
SAV B-Component Varnish...
1 avis
In stock

SAV B-Component Varnish optimum Gloss

done Component B only
done Gloss finish
Harmony concrete puts at your disposal in case of need of hardener added, the component B alone...
€22.64 tax incl.
Anti-Slip Powder for Varnish -35%
10 avis
In stock

Anti-Slip Powder for Varnish

done Improves safety on slippery surfaces
done Ideal for stairs, pool surrounds and patios
done Add to varnish
Do you want to secure your surfaces while maintaining effective protection? The Anti-Slip...
€6.44 tax incl. €9.90
  • -35%
Samples of varnish
10 avis
In stock

Samples of varnish

done Test the protection in real-world conditions
done Lets you check durability and appearance
done Refundable sample
Need to test out our coverage before you purchase ? Choose the varnish you want . Bottle of...
€10.52 tax incl.
Special Protection support... -30%
5 avis
In stock

Special Protection support closed

done Protects low-porosity surfaces
done Substrates: polished or cast-in-place concrete, terracotta, stone…
done Clear, natural finish
Harmony special Protection support closed is a solution ready-to-use water-repellent and...
€23.84 tax incl. €34.06
  • -30%
Mineralizing Hardener
10 avis
In stock

Mineralizing Hardener

done Crystallizes and hardens concrete
done Stops concrete from crumbling and dusting
done Natural, non-film-forming finish
Harmony Mineralizing Hardener Plus is a product in the aqueous phase, which is by...
€17.88 tax incl.
Sequin metallic
3 avis
In stock

Sequin metallic

done Unique sparkling decorative effect
done Mixes into varnishes and resins
Shiny glitter to mix with an epoxy resin, a varnish or a wax. 7 colors to discover.
€5.70 tax incl.
Kit outils vernis bi composant -10%
1 avis
In stock

Kit outils vernis bi composant

done Complete varnish preparation kit
done Makes preparation and application easier
done Precision scale included
€68.01 tax incl. €75.56
  • -10%
  • Pack
Soft mixing bowl -30%
In stock

Soft mixing bowl

done Flexible hose for easy cleaning
done Ideal for mixing varnish and pigments
done Washable with water
€4.70 tax incl. €6.71
  • -30%
Échantillon poudre BE 0/2
6 avis

Optimum varnish sample

done Refunded when returned
done Lets you test durability and appearance
done Ideal for comparing finishes
Are you hesitating between a mat, gloss or satin finish? Order and receive the finishes on a...
€7.49 tax incl.
Are you hesitating between 2 colors or between 2 finishes?

Harmony Béton hasn't forgotten you!

We suggest you order samples of powder or material, in order to compare and choose the desired color.

View the samples
Videos
Customer service

available 5 days a week

Secure payment

Up to 3 interest-free installments from 300€ of purchase

Free quote

Responses within 48 business hours

Free delivery

For the purchase of a polished concrete kit from 10m2

5/5
Très bien
Avis du 11/11/2026, suite à une expérience du 04/11/2026 par Marie C.
5/5
Parfait
Avis du 08/11/2026, suite à une expérience du 27/10/2026 par Frédéric B.
4/5
Commande et livraison, RAS. Les produits arrivent en bon état, tout voir plus
Commande et livraison, RAS. Les produits arrivent en bon état, tout est relativement clair dans les notices. Les produits sont compatibles avec du béton cellulaire (poreux), la quantité du primaire d'accroche est vraiment trop juste. Les produits à travailler sont très bons dans l'ensemble. Le seul problème selon moi, ce sont dans tous les produits (hors primaire) il y a comme des grumeaux, une sorte de peau. Malgré tout, nous sommes contents du résultat.
Avis du 22/10/2026, suite à une expérience du 04/10/2026 par Julien M.
5/5
Entreprise réellement sérieuse. Merci b
Avis du 20/10/2026, suite à une expérience du 15/10/2026 par E P.
4/5
Site convivial et très réactif sur la recherche de produit.
Avis du 19/10/2026, suite à une expérience du 16/09/2026 par Fabrice A.
5/5
Commande complète livrée en moins de 3 jours.
Avis du 18/10/2026, suite à une expérience du 14/10/2026 par Jean-François L.
5/5
Très bonne communication, prise en compte très rapide de la commande, voir plus
Très bonne communication, prise en compte très rapide de la commande, comme la livraison. Emballage soigné
Avis du 18/10/2026, suite à une expérience du 11/10/2026 par Chriistophe B.
5/5
Produit conforme ; bien conditionné et reçu très rapidement . Je voir plus
Produit conforme ; bien conditionné et reçu très rapidement . Je recommande sans souci. 👍
Avis du 17/10/2026, suite à une expérience du 11/10/2026 par GABRIEL S.
5/5
Excellent produit, que j'ai déjà posé il y a des années
Avis du 15/10/2026, suite à une expérience du 16/09/2026 par A W.