The Ultimate Lime wash Guide: Everything you need to know about lime washing

What is lime washing and what can you do with it?

Lime washing is an age-old technique originally used to protect farms and historic buildings from moisture and pollution. Today, this painting technique is completely back in vogue, primarily because of the rustic look it creates. With lime wash, you give your facade, interior walls, or exterior walls an authentic character and a stylish look. Moreover, lime wash offers extra protection against weathering and provides a breathable layer that allows for moisture regulation.

Lime washing is ideal for those who want to renovate a facade without major structural work. The matte, powdery appearance hides imperfections and gives your home a charming appeal.

What is lime washing and how does it work?

Lime washing involves applying a thin layer of lime paint to your walls with a block brush. This technique adheres excellently to porous surfaces such as brick and is ideal for both interior and exterior applications.

How does it work?

1. Preparation: Thoroughly clean the wall and repair any cracks or damage.

2. Apply primer: Use a primer to improve adhesion, especially on highly absorbent surfaces.

3. Apply lime wash: Apply the lime layer with a block brush using short, cross-hatching motions. This creates the typical, authentic look of limewash.

4. Seal: Use a finishing coat to protect your lime wash against dirt and moisture.

The advantages of lime washing your facade

Lime washing offers several advantages, both aesthetic and functional:

• Protection: Lime wash forms a protective layer that shields your facade against rain, wind, and dirt.
• Breathability: Lime wash allows moisture to pass through, preventing moisture buildup and mold growth.
• Aesthetics: Thanks to its matte finish and natural color nuances, your facade gains a distinctive character.

Do you want to give your facade a thorough makeover? Then lime washing is a smart choice that both protects and beautifies.

What types of lime wash are there?

At Paintfactory, you will find different types of limewash:

• Coarse limewash: This creates a robust look with visible structure and relief. Ideal for rustic facades.
• Fine limewash: This type provides a subtle finish that is perfect for modern homes.
• Mineral limewash: Durable and authentic, ideal for breathable exterior facades.

What does it cost to limewash a facade?

The cost of limewashing depends on the size of your house and the type of limewash paint you choose. For a standard terraced house with a front facade of approximately 25 m², you can expect the following costs:

• Muur Buiten Kalei Fijn or Grof: an average of €10 per m²
• Kalei Minéral: an average of €28 per m²

These prices are based on a standard white color and 2 layers of limewash, including standard primer for the Muur Buiten Kalei. Prices may vary depending on the chosen color and any finishes. For a precise calculation, you can use the paint calculator on each product page.

Lime washing yourself: step-by-step plan & tips

Muur Buiten Kalei

You can perfectly lime wash with Muur Buiten Kalei yourself if you follow the correct steps:

1. Clean your facade. Remove dirt, moss, and loose particles.

2. Apply a primer. This ensures better adhesion.

3. Apply the lime wash. Use a block brush for an authentic result.

4. Finish. Protect your limewash with a transparent protective layer for extra durability.

Kalei Mineral

Lime washing with Kalei Mineral requires extra attention to the substrate:

1. Clean your facade. Ensure the substrate is clean and sufficiently absorbent.

2. Lightly moisten the substrate. This promotes the adhesion of the Kalei Mineral.

3. Apply the first coat. Use a block brush and apply the limewash in short, cross-hatching motions. The first coat may show some cracks.

4. Apply a second coat. Let the first coat dry for 24 hours and correct any cracks in this second coat.

5. Finish. Do you want to paint over with Muur Buiten Pearl for a smooth finish? Then observe a drying time of 30 days for the best result.

With some preparation and the right products, you can achieve a beautiful result. Want to know more about limewashing yourself? Check out our handy guide:

Read the full guide

Maintenance of a lime washed facade

To keep your limewashed facade in top condition:

• Annual inspection: Inspect your facade every year to promptly remove dirt, algae, or other pollutants.
• Thorough inspection every 4 years: Conduct a full inspection to detect and address damage or wear early.
• For cleaning, use a soft brush and water; aggressive cleaning agents can damage the paint layer.

Weather conditions for lime washing

For the best results, follow these guidelines:

• Temperature: Limewash can be applied at a temperature between 10°C and 25°C.
• Relative humidity: Ensure it is between 40% and 85%.
• Substrate moisture:
  • Interior plaster: < 1%
  • Regular concrete: < 5%
  • Masonry: max. 3-5%