Workshop on Decorative Pieces in Pigmented Cement

In this workshop we will explore cement pigmentation techniques and create pieces using silicone molds.

📍 GrowHUB - R. Mal. Costa Gomes 5 R/C Loja2, Sacavem

⏱️ From 3 PM to 6 PM

👆 Minimum age: 12 years

The workshop requires a minimum of 5 participants. If this number is not reached, the session will be cancelled and a new date will be proposed.

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This includes:

• Tools: All necessary materials and tools including silicone molds
• Digital guide: Digital guide (PDF) with guidelines, suppliers, and detailed steps.
• Offer: A beautiful piece will be provided to complete the finishing touches during the workshop.
• Storage: The pieces take 24 hours to dry. Participants can pick up their finished pieces on a mutually agreed date/time.

3:00 PM - Welcome & Introduction

• Introduction of the trainer and participants
• A brief explanation of what we will create and the objectives of the session.

Materials & Preparation of Mortar

• Ideal cement types for pigmentation (e.g., white vs. gray cement)
• Aggregates and additives
• Ideal mixing proportions

Molds: Types and Techniques

• Silicone, plastic, acrylic, and wood molds
• Tips for avoiding air bubbles
• Preparation and lubrication of the molds

Coffee Break / Rest

A short break to relax, have coffee/tea and chat.

Pigmentation with Iron Oxide

• How and when to add the pigment.
• Correct dosages and how to achieve different color intensities.
• Tips for achieving color uniformity in mortar.

Filling the Molds

• Techniques for pouring mortar correctly
• How to vibrate the mold to prevent bubbles
• Level and finish of the upper surface

Demolding and Finishing

• When and how to safely unmold.
• Care after demolding
• Final touches

6:00 PM - Closing

• Final explanation and time for questions.
• Subsequent email delivery of a digital PDF containing:

1. List of material suppliers
2. Recommended products
3. All the detailed steps of the workshop