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Wall Putty vs Plaster of Paris: Which One is Better for Your Walls?

What is Wall Putty and Why is it Used?

Wall putty is a paste-like substance that is applied on the walls before painting. It is made of white cement, polymers, and minerals. It is used to smoothen the surface of the walls and make them even and uniform. Wall putty also acts as a base coat for the paint and enhances its adhesion and durability. It gives a bright, smooth, and superior finish to the walls.
Wall putty is used on both interior and exterior walls. It can be applied on concrete, cement, or brick walls. It can also be used to cover up minor defects and imperfections in the walls, such as holes, cracks, dents, and unevenness. Wall putty is easy to apply and dries slowly, allowing enough time to correct any mistakes. It also prevents the paint from peeling, cracking, or fading.

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What is Plaster of Paris and Why is it Used?

Plaster of paris (POP) is a powder-like substance that is mixed with water to form a paste. It is made of gypsum, a soft mineral that hardens when heated. It is used to coat the walls and ceilings and create a smooth and level surface. POP also acts as a protective layer for the walls and prevents moisture and dampness from seeping in. It gives a matte and elegant finish to the walls.
POP is used only on interior walls. It can be applied on plastered, concrete, or wooden walls. It can also be used to create decorative designs and patterns on the walls and ceilings, such as cornices, mouldings, and sculptures. POP is quick to apply and dries fast, forming a hard and rigid surface. It also reduces the weight of the walls and ceilings and makes them more fire-resistant.

Wall Putty vs Plaster of Paris: Comparison

Wall putty and POP have some similarities and differences in terms of their properties, advantages, and disadvantages. Here is a table that summarizes the main points of comparison between them:
| Property | Wall Putty | Plaster of Paris |
| — | — | — |
| Composition | White cement, polymers, and minerals | Gypsum |
| Application | Before painting | After plastering |
| Usage | Interior and exterior walls | Interior walls only |
| Finish | Bright, smooth, and glossy | Matte, smooth, and elegant |
| Drying time | Slow | Fast |
| Binding strength | High | Low |
| Durability | Long-lasting | Prone to cracking |
| Cost | Expensive | Cheap |

Wall Putty vs Plaster of Paris: Pros and Cons

Based on the comparison table, we can list some of the pros and cons of using wall putty and POP for your walls:

# Pros of Wall Putty

  • It gives a smooth and even surface for painting
  • It enhances the adhesion and durability of the paint
  • It prevents the paint from peeling, cracking, or fading
  • It can be used on both interior and exterior walls
  • It can cover up minor defects and imperfections in the walls
  • It has a high binding strength and does not shrink or crack

    # Cons of Wall Putty

  • It is expensive and requires more quantity

  • It needs to be applied in multiple layers and sanded properly
  • It requires a primer before painting
  • It may contain harmful chemicals and cause allergies or irritation

    # Pros of Plaster of Paris

  • It gives a smooth and level surface for coating

  • It protects the walls from moisture and dampness
  • It can be used to create decorative designs and patterns on the walls and ceilings
  • It is cheap and easily available
  • It dries fast and forms a hard and rigid surface
  • It reduces the weight of the walls and ceilings and makes them more fire-resistant

    # Cons of Plaster of Paris

  • It can only be used on interior walls

  • It does not provide a good base for painting
  • It has a low binding strength and may crumble or fall off
  • It is prone to cracking and chipping
  • It needs to be applied carefully and skillfully
  • It may contain impurities and cause health problems

    Wall Putty vs Plaster of Paris: Conclusion

Wall putty and plaster of paris are both useful materials for preparing the walls for painting or coating. However, they have different characteristics and advantages that make them suitable for different purposes. Wall putty is better for smoothening the walls and enhancing the paint quality, while plaster of paris is better for coating the walls and creating decorative designs. Depending on your needs and preferences, you can choose the one that best suits your walls.
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