Primer - The Polished Plaster Company
Regular price£11.50
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Primer is used under all plaster finishes

It is applied to all surfaces prior to starting the polished plaster processes.

For Lucidato and Metallic stucco finishes, you are advised to lightly sand or scrape over the primer to knock out any large grains.

Applied with roller or brush to stabilize and prime all surfaces and to provide a key.

Apply neat over painted surface, thin with water for new plaster 20%

Yield 1lt per 9 msq

Typically all orders are shipped out with APC next day service except weekends.

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MARMORINO APPLICATION GUIDE

A guide for Marmorino Polished Venetian Plaster Application.

Tools Required:

Stainless steel Venetian plaster trowels: A range of sizes will be useful (small, medium, and large).
Plastic trowel or float: For initial smoothing and texture creation (if desired).
Sandpaper: Fine-grit, such as 400 or 600, for rounding trowel edges and any minor surface corrections.
Buckets and cleaning tools.
Clean cloths or sponges
Painter's tape: This is used to protect edges and trim.
Protective gear: Gloves and mask (if sanding creates dust).

Application Process:

1. Surface Preparation

Cure Time: Let your newly plastered walls cure for the recommended duration (consult plaster manufacturer's instructions). This is crucial for a stable base.
Priming: Apply a suitable primer designed for Venetian plaster. This will create a uniform surface and enhance adhesion. Let the primer dry thoroughly.

2. Base Coat

Trowel Application: Using a large stainless steel trowel, apply a thin, even coat of Marmorino across the entire wall. For best results, hold the trowel at a shallow angle (about 15-30 degrees).
Drying: Let this base coat dry fully. Drying times vary, so refer to the product's information.

3. Second Coat

Random Strokes: Apply the second coat in a similar manner to the first, but instead of aiming for perfect uniformity, use varied, slightly overlapping trowel strokes at different angles. This is how the classic, marbled look of Venetian plaster begins to emerge.
Drying: Again, allow this layer to dry thoroughly.

4. Subsequent Coats (Optional)

Thin Layers: More coats (usually up to three) can be applied, each one thinner than the last, using varying trowel strokes to increase depth and visual interest.
Drying Between Coats: Ensure each coat is fully dry before applying the next.

5. Burnishing/Polishing

Timing: Once the final coat is partially dry but still slightly pliable, begin burnishing.
Trowel Pressure: Press firmly with a clean stainless steel trowel in short, overlapping strokes at varying angles. This compresses the plaster, creating the characteristic polished sheen.
Intensify Gloss: Continue burnishing in overlapping sweeps to increase the level of polish as desired.

6. Sealing (Optional)

Protection: A coat of wax or dedicated Venetian plaster sealer can be applied for added water resistance and durability, especially in high-traffic or moisture-prone areas.
Follow the sealer's application instructions.
Important Tips:

Practice: If you're new to Venetian plastering, practice on a spare board first to perfect your technique.
Working in Sections: Tackle smaller sections of the wall at a time. This prevents the plaster from drying too quickly before you can work it.
Temperature and Humidity: Ideal conditions are moderate temperatures and humidity. Avoid applying in direct sunlight or extreme temperatures.

Clean as you go: Prevent dried plaster from building up on your tools by cleaning them frequently.

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