Categories: Civil Engineering

Difference between Rendering and Plastering

Although Plastering and Rendering are processes of wall cladding, there are some differences between them. The basic difference between the two methods is that plastering refers to the cladding of the interior walls, while rendering refers to the cladding of the exterior walls.

Plaster and Render use the same construction materials as cement, sand, water and lime plaster. However, one of the most significant differences between plastering and rendering is the strength of the materials both use.

Table of Contents

Rendering and plastering usage differences

When to use Rendering

Rendering is used to cover the external surfaces of buildings and contains a higher proportion of cement in its composition. We apply rendering to the exterior of buildings not only to make the outside facade visually attractive but also to provide waterproofing and fireproofing quality.

Rendering comprises lime gypsum, sand, and cement, bonding agents, drying additives, and coloring agents. Lime gypsum is the secret to giving the coating a creamy look and a smooth finish. We must use finer sand to produce the coveted smooth finish in the rendering mixture.

Cement rendering with small stones

We can use render in the following situations:

  • To improve the appearance and texture of the outer surfaces
  • Add an additional layer of insulation to the walls
  • To change the color of the exterior walls or surfaces
  • Fix cracks in the exterior walls
  • Increase the value of the property
  • Waterproof and fireproof building
  • Reducing long-term maintenance costs

When to use Plastering

Plastering varies from rendering as it includes less cement in its composition and is used to cover the interior walls and ceilings of buildings so they are smooth for painting or wallpapering.

Before paint and decorate walls, the plaster must be complete and fully dry. Freshly plastered walls should dry between a week to a month before painting. The newly plastered walls are dry when there are no dark spots, and there is a consistent color across all walls.

You can see different plastering works in this image gallery:

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