How to Determine the Right Amount of Pressure When Applying the Render?

Render is a type of plaster that is used to provide a decorative and protective finish to walls, both inside and outside. Applying render correctly can improve the look of a property, but it is important to get the pressure right when applying the material. Too little or too much pressure could result in an uneven surface. Read on for tips on determining the right amount of pressure when applying render.

contractor applying render product on exterior wall

 

What Is Render?

Render, also known as external wall insulation (EWI), provides an extra layer of insulation and weather protection to buildings. It helps reduce dampness and noise as well as keeping temperatures inside consistent during both summer and winter months. Due to its waterproof qualities, it’s often applied around windows and doors to protect against drafts and dampness.

 

Factors to Consider When Applying Render

There are a few factors to consider when applying render, such as the type of plaster used, the surface it’s being applied to, and the weather conditions. Different types of plaster require different amounts of pressure during application. Generally speaking, softer plasters need less pressure than harder ones. Also, if the surface is uneven or rough in certain areas, more pressure will be needed to ensure an even coating. The temperature and humidity also play a role in determining how much pressure should be used during rendering; hot temperatures tend to dry out the material faster so more pressure is needed while cold temperatures may require less pressure due to slower drying times.

 

What Is the Right Amount of Pressure?

The right amount of pressure when applying render depends on a few factors, such as the type of plaster and the surface it’s being applied to. Generally speaking, rendering should be done using light to moderate pressure. Too much pressure can cause the material to crack or chip off, while too little may result in an uneven surface. It’s important to note that different plasters require different amounts of pressure; softer plasters may need less pressure than harder ones. Also, if the surface is uneven in certain areas, more pressure will be needed to ensure an even coating.

 

Tips for Applying Render with the Correct Pressure

  1. Test out the plaster on a small area before applying it to the entire surface. This will help you gauge how much pressure is needed and adjust accordingly.
  2. Use a roller or brush that’s specifically designed for render application.
  3. Start at one end of the wall and work systematically across in even strokes, working from top to bottom with light to moderate pressure.
  4. If you find areas where more pressure is needed, use an extra coat of plaster to even out any uneven surfaces.
  5. Allow the render to dry fully before adding another coat of plaster; if applied too soon, it may not adhere properly and could cause cracking or chipping over time.

By taking into account the type of plaster being used, the surface it’s being applied to, and the weather conditions, you can determine the right amount of pressure when applying render. By using light to moderate pressure and following these tips, you can ensure an even coating that will help improve the look of your property.