How to Apply Concrete Lacquer Sealer

Written by rachel turner
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How to Apply Concrete Lacquer Sealer
Lacquer sealer adds a shiny gloss to concrete surfaces. (wet steps image by Tammy Mobley from

Concrete remains to be a commonly used material in a wide array of industries and applications. Although concrete is very durable and can last for many years, it is also porous and susceptible to stains or spills caused by oil, acidic substances, grease and more. Concrete sealers are applied to the surface of the concrete to seal out stains and keep the surface protected. Lacquer sealers provide the same amount of protection as regular concrete sealers, along with also providing the concrete surface a wet or glossy shine as well. The application of lacquer sealers is an easy project for any homeowner or DIY-er.

Skill level:

Things you need

  • Long-handled broom
  • Dust sheet
  • Concrete degreaser
  • Stiff-bristle brush
  • Garden hose with spray attached
  • Neutralising rinse
  • Gloves
  • Goggles
  • Filter mask
  • Concrete lacquer sealer
  • Paint tray
  • Long-handled paint roller

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  1. 1

    Remove everything off the surface of the concrete. Use a long-handled broom to sweep away dust and loose particles. Cover any furniture or surfaces nearby the work area you wish to protect from overspray and splatters with a dust sheet.

  2. 2

    Apply concrete degreaser onto the surface with a mop. Locate all oil or grease stains on the surface of the concrete, and scrub the degreaser into these spots with a stiff-bristle brush. Rinse the degreaser off the concrete with a garden hose attached with a spray nozzle.

  3. 3

    Spray the neutralising rinse over the concrete surface as directed on the packaging. Allow the rinse to remain on the concrete for the stated amount of time, and use the garden hose to rinse the solution away. Allow the concrete to dry overnight.

  4. 4

    Open all nearby windows to allow plenty of ventilation while working with the pungent lacquer sealer. Put gloves, goggles and a filter mask on to protect your eyes, skin and lungs from fumes or accidental splatters.

  5. 5

    Pour the lacquer sealer into a paint tray. Apply an even coat of lacquer sealer over every square inch of the concrete surface using a long-handled paint roller. Allow the lacquer sealer to dry for up to three hours. Repeat this entire step for applying the second coat of lacquer sealer.

  6. 6

    Apply up to two more coats of lacquer sealer, according to your desired taste. The more coats of lacquer sealer, the shinier the concrete will appear. Allow each coat to dry before applying more.

Tips and warnings

  • Only apply lacquer sealer to concrete surfaces if temperatures fall between 12.8 and 26.7 degrees Celsius.

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