thermal plastering Peter Cox

Thermal Plastering

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Thermal Plastering

Thermal plastering refers to a plastering system that has been made using insulative materials specifically for solid walls. At Rentokil Property Care, we offer a thermal plastering system used to prevent cold spots on solid walls preventing condensation and black mould growth. A thermal plastering system makes it tougher for heat to pass through your walls. This means that your home will retain heat for longer, meaning that energy bills can be reduced.

Why do Cold Spots Occur?

Every home will have a certain amount of excess moisture in the air. This is created from everyday tasks such as cooking, showering, or drying clothes. When temperatures drop, any excess moisture inside will settle on colder walls and surfaces. When this settles on cold spots, condensation and mould growth can occur. This is particularly prevalent on north facing external walls, as these walls tend to be colder than south facing walls, these are known as cold spots.

Our thermal plastering system acts as an effective solution for condensation as it will remove cold spots. Fill out our contact form below to contact our condensation and thermal plastering specialists.

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Features of Thermal Plastering System

  • Energy bills can be reduced as the system reduces heat loss of up to 40% through 9 inch brick walls ( thermal resistance testing conducted by The University of Salford ).
  • Although only 15mm thick, this system can create a more comfortable living environment.
  • Cost effective system which does not require alterations to skirting boards, windows, covings and radiators, for insulation to occur.
  • Tiles are designed with flexibility, allowing it to be installed around awkward corners and shapes.
  • Following installation, the wall is then ready to be plastered. This will create a wall surface ready for decoration.
  • This system meets building regulations for use where thicker insulation systems might not be functionally or technically possible to install.

Thermal Plastering Process

Before Insulation


Cold spots on solid wall have been created, resulting in condensation issue and mould growth.

Application of Thermal System Tiles

thermal plastering installed on wall

Wall is now ready to be plastered, as thermal system tiles have been applied to the cold wall. Flexible tiles ensure that every part of the wall around the window can be completely covered.

Thermal Plastering


Plastering the wall first ensures that the wall can be decorated, as plastering creates a hard surface. When the plaster has dried and become solid, most wallpapers and paint can then be applied.

Do I Need a Vapour Barrier?

A common question is whether or not the thermal plastering system requires a vapour barrier. A vapour barrier is not required. However this does not mean that ventilation should be ignored. We would still recommend you ensure the room has adequate ventilation. A vent can be installed, if opening windows and extractor fans is not sufficiently ventilating the excess moisture.

Contact the Condensation Experts

Our team has decades of experience in dealing with a range of condensation and damp issues. If you have any concerns about how best to solve a damp issue in your home, then our team is available to provide non obligatory advice and solutions.

We can offer solutions to the condensation problem, whether its removing cold spots or helping improve ventilation and insulation.

To learn more about thermal plastering, you can contact our condensation specialists on 0800 012 1437, or fill out our brief contact form and a member of our team will get back to you.

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