Difference between Plastering and Rendering

In general, both plastering and rendering look like the same kind of job of covering walls, repairing cracks, providing finishing touches to your building. For people working in the construction department, these are common terms. But when you look into the detail, they are both different in their composition and the reason why they are done.


Plastering refers to the process of coating interior walls with plaster so that they will be smooth and ready to apply paint or wallpapers. Its main intention is to beautify the interior walls with a clean finish so that they look more appealing.

The material composition of plastering includes lime, gypsum, cement, sand and water. But it has less cement compared to rendering as the interior walls don’t have to be so strong. Plasters are water repellent and can be easily cleaned. It allows owners to decorate their walls in any way they want. The plaster needs to be completely dry before you apply the paint, and there should not be any cracks on the walls.


Rendering is the process of coating your exterior walls with plaster so that they can withstand the brunt of heat, rain and wind. In rendering, the quantity of cement used is much more so that it can keep the exterior walls strong enough to hold on to the paint. The composition in rendering and plastering both consists of lime gypsum, sand, cement, bonding agents, drying additives and colouring.

Rendering is essential as it protects the exterior walls from the harsh sun, wind and rain. This process needs to be water-resistant, and there should not be any visible cracks. It can have a flat finish, patterned or textured finish.


Whether it is Plastering or Rendering, make sure you hire a professional like B & B Plastering to do the job as this will affect the quality and vision of the building.And also make sure that the quality of materials used is of excellent quality.