Microcement adheres to old plaster surfaces



Applying Microcement on Existing Plaster

Microcement can be successfully applied to existing plaster as long as the surface is in good condition with minimal cracks or detachments. Here are some essential points to consider:

Surface Preparation

Before applying microcement, thorough surface preparation is crucial. This includes cleaning the plaster, removing any grease or mold traces, and fixing imperfections.

Primer

To enhance adhesion, it is recommended to apply a specific primer for plasters before moving on to the decorative coating.

Anchor Coat

In some cases, applying an anchor coat or a first layer of adhesive microcement may be necessary to ensure better material adhesion.

Microcement Application:

Once the surface is prepared, follow the manufacturer's instructions for applying microcement. It is vital to adhere to guidelines for optimal results.

Finishing and Protection:

After application, protect the surface by sealing it or applying a protective coating to ensure durability and ease of cleaning.

In conclusion, microcement can be effectively used on existing plaster, but proper preparation and application procedures are essential for achieving a long-lasting and visually appealing result.

Applying Microcement on Already Plastered Surfaces

Microcement is suitable for rejuvenating both floors and walls on already plastered surfaces. Here are some key considerations:

Surface Preparation:

Clean and prepare the plastered surface thoroughly by removing imperfections to create a smooth and uniform base.

Primer and Base Coat:

To ensure optimal adhesion, apply a specific primer followed by a base coat of microcement.

Microcement Application:

After preparing the surface and applying the primer and base coat, proceed with applying microcement in thin layers until the desired thickness is achieved.

Finishing and Sealing:

Complete the application by finishing and sealing the microcement to protect it from wear, water, and stains.

In summary, applying microcement on already plastered surfaces is possible with accurate preparation and correct application techniques.

Procedure for Applying Microcement on Aged Plaster

Follow these steps carefully when applying microcement on aged plaster:

Surface Preparation:

Ensure the plaster is clean, dry, and free of dust, oily substances, and repairs are made to any cracks or irregularities.

Primer:

Apply a specific microcement primer to improve material adhesion.

Microcement Base:

Spread a base layer of microcement with a thickness of about 2-3 mm using a steel trowel and allow it to dry as per the manufacturer's instructions.

First Microcement Layer:

Apply a second microcement layer with a thickness of about 3-4 mm after the base layer is dry and level it well.

Fiberglass Mesh Reinforcement:

If needed, place a fiberglass mesh between layers for increased mechanical resistance.

Second Microcement Layer:

Apply another layer with a thickness of about 2-3 mm, compacting the material well.

Finishing and Sealing:

After the second layer dries, apply the desired finish and a protective microcement sealer for durability.

By following these steps accurately, excellent results can be achieved when applying microcement on aged plaster.

Considerations for Applying Microcement on Older Plasters

When applying microcement on older plasters, certain considerations are crucial for optimal and long-lasting results:

Cleaning and Preparation:

Thoroughly clean the plaster, ensuring it is smooth, dry, and free of dirt, dust, or old coatings.

Primer:

Apply a specific microcement primer to increase adhesion and prevent future delamination issues.

Leveling:

If the plaster has unevenness, level the surface with a self-leveling compound before applying microcement.

Microcement Application:

Follow the manufacturer's instructions carefully for preparing and applying the microcement, respecting drying times between layers.

Sealing and Finishing:

After application, seal the surface with a specific sealant to protect and extend durability. Finish with the desired gloss or matte appearance.

By adhering to these considerations and working diligently, excellent results can be achieved when applying microcement on older plasters.





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