Plastering of Wall 🧱 ¤ #walldecor #strength #crack #beautiful #smarthome #construction #information

Sand and cement wall plastering is a common method for creating a smooth, durable, and even surface on walls, both interior and exterior. It involves applying a mixture of cement, sand, and water to masonry surfaces such as brick or concrete blocks. Here’s a step-by-step guide:

Materials Required:
- Cement (Ordinary Portland Cement)
- Sand (Fine aggregate, preferably river sand)
- Water
- Bonding agent (optional, for better adhesion)
- Plastering trowel
- Wooden or aluminum float
- Straightedge or screed
- Spirit level
- Brush and sponge

Step-by-Step Process:

1. Surface Preparation:
- Clean the wall to remove dust, dirt, grease, or loose particles.
- Wet the surface with water to prevent moisture absorption from the plaster.
- Apply a bonding agent (if required) for better adhesion.

2. Mixing the Plaster:
- The standard mix ratio is cement : sand = 1:4 to 1:6 (by volume).
- Add clean water gradually to form a smooth, workable paste.
- The mix should neither be too wet nor too dry.

3. Applying the Plaster:
- First Coat (Scratch Coat):
- Apply a 10-15mm thick coat using a trowel.
- Use a straightedge to level the plaster.
- Scratch the surface lightly for better adhesion of the second coat.
- Let it cure for at least 24 hours.

- Second Coat (Finishing Coat):
- Apply a thinner layer (5-8mm) for a smooth finish.
- Use a float to smoothen and level the surface.
- Ensure the total thickness of plaster does not exceed **20mm**.

4. Curing:
- Keep the plastered surface moist by sprinkling water for at least **7 days** to prevent cracking.
- Protect the wall from direct sunlight and wind during curing.

Tips for Best Results:
- Use well-graded fine sand for smooth finishes.
- Avoid over-wetting the mix, as it can reduce strength.
- Ensure proper curing to prevent shrinkage cracks.

Would you like recommendations for specific plastering techniques or troubleshooting common problems like cracks and uneven surfaces?

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