Insulation of the Single Stone Wall from the Interior: A Guide

by Marco Janssen on Jul 12, 2023

Isolatie van de Enkelsteens Muur aan de Binnenkant: Een Gids


Welcome to our in-depth article on how to insulate a single brick wall from the inside. At we understand the importance of energy efficiency and comfort in your home. Insulating a single brick wall can provide significant benefits such as improving thermal insulation, reducing moisture problems and lowering your energy costs. In this guide we share valuable information and practical tips to help you insulate your single brick wall from the inside.

Why Insulate the Single Stone Wall?

A single brick wall naturally has a lower insulation value compared to a double brick wall. Insulating your single brick wall from the inside can greatly improve the thermal efficiency of your home. This means that your home is more resistant to temperature fluctuations, creating a pleasant living environment all year round.

In addition, insulating the single-brick wall can reduce moisture problems. Single brick walls tend to absorb moisture, which can lead to mold growth and other moisture-related problems. By taking insulation measures, you can reduce the moisture content and increase the durability of your wall.

The isolation procedure

Step 1: Preparation

Before you start insulating your single brick wall from the inside, you need to take some preliminary steps. Here are the main points:

1. **Inspection**: Carry out a thorough inspection of the wall to identify any damage, moisture problems or structural defects. Be sure to address these issues first before you begin isolating.

2. **Cleaning**: Thoroughly clean the wall to remove dirt, dust and any loose materials. This ensures better adhesion of the insulation materials.

3. **Moisture control**: Check for moisture problems and take appropriate measures to solve them. This may include installing a vapor barrier or improving ventilation.

Step 2: Choosing insulation materials

There are various insulation materials available for insulating single brick walls. Depending on your specific needs and budget, you can choose from the following options:

1. **Glass wool insulation**: This material is easy to handle, offers excellent thermal insulation and has good sound insulation properties.

2. **EPS Beads**: These polystyrene beads are ideal for insulating cavity walls and can also be used for single brick walls. They form an insulating layer that repels moisture.

3. **PUR insulation foam**: This foam is applied directly to the wall and fills all cracks and holes. It provides excellent insulation and also has moisture-resistant properties.

Step 3: The Isolation Process

Now that you have made the preparations and chosen the insulation materials, you can begin the actual insulation process. Follow these steps for effective insulation:

1. **Applying the insulation materials**: Follow the manufacturer's instructions to correctly apply the insulation materials. Make sure you seal all openings and cracks properly.

2. **Finish**: After the insulation materials have been applied, you can apply a finish, such as drywall or plaster. This gives your wall a nice and sleek look.

Tips for a Successful Insulation

To ensure that your insulation project is a success, here are some valuable tips:

- Ensure good ventilation in the room to prevent moisture problems.
- Regularly check for any signs of moisture or mold growth.
- Consider calling in a professional insulation specialist for expert advice and accurate installation.


Insulating a single brick wall from the inside is an effective way to improve your home's thermal efficiency and reduce moisture problems. With the right preparation, choice of insulation materials and accurate installation, you can create a comfortable and energy-efficient living environment. Follow the steps outlined above and take the necessary precautions for a successful insulation project.

Note: The diagram above is a schematic representation of the isolation process.

A --> B[Inspection]
A --> C[Cleaning]
A --> D[Moisture Control]

B --> E[Choose insulation materials]
C --> E[Choose insulation materials]
D --> E[Choose insulation materials]

E --> F[Application of the insulation materials]
F --> G[Finish]

With the information and guidelines in this article you are well on your way to insulating your single brick wall on the inside. In no time you can enjoy a better insulated house with increased comfort and lower energy costs. Don't hesitate to contact us

if you need more information or help with your insulation project.