How do you remove mould?

Mould in your home needs to be removed as quickly and safely as possible. We recommend always choosing a product specifically developed to tackle mould and mildew stains, with official approval. These products are formulated to effectively kill mould and clean affected surfaces, helping to remove black and grey spots. Beyond removing existing mould, it is equally important to focus on prevention, for example by reducing moisture and improving ventilation in your home.

HG solutions for removing mould

To remove mould, damp patches and weather marks from various surfaces, HG offers effective and officially approved solutions. Our products are designed for use on tiled walls, plasterwork and grout in damp rooms such as bathrooms, showers, kitchens and cellars:

• HG mould remover foam spray: This mould stain remover features a unique foam formula with a less pungent odour. The foam is easier to direct, reduces splashing and stays in place longer, ensuring better and more prolonged action. It is suitable for tiled and plastered walls, including marble and other natural stone, and grout in bathrooms, showers, toilets and kitchens.
• HG mould spray: This effective mould, damp and weather mark remover destroys mould instantly and bleaches grey and black mouldy spots. It is suitable for tiled walls, including marble, silicone grout and plasterwork, both indoors and outdoors.

Both products are simple to use: spray the surface from 3 to 5 cm away and let the product work. Then clean the surface with water and a sponge. For stubborn soiling, you can repeat the treatment. For more practical information on how to remove mould, see the following pages:

• How to get rid of mould
• How to get rid of black mould
• How to get rid of mould on walls

Solutions to prevent mould in your home

Beyond removing existing mould, it is important to take measures that help limit mould growth. General solutions focus mainly on reducing moisture and creating a healthier indoor environment. These measures address the conditions in which mould can develop, but may not always completely remove existing mould.

• Ventilation: Ensure adequate daily ventilation by opening windows or using mechanical ventilation, particularly in damp rooms.
• Moisture control: Dry wet surfaces as quickly as possible and prevent prolonged condensation on walls, ceilings and windows.
• Temperature management: A consistent indoor temperature helps reduce condensation, which lowers the risk of mould.
• Regular maintenance: Regularly check vulnerable areas such as grout lines, corners and hard-to-reach spaces for early signs of mould growth.

These general measures can help limit mould growth, but they do not guarantee complete removal. We therefore recommend always using a specially formulated cleaning product for visible mould and always checking the manufacturer's care instructions beforehand.

Causes of mould growth and how to prevent it

Mould usually develops from a combination of moisture and poor ventilation. By understanding the causes, you can take more targeted steps to prevent new mould growth. Below are the most common causes:

• High air humidity: In spaces where moisture is released, such as bathrooms and kitchens, mould can develop quickly without good ventilation.
• Condensation: Poor insulation can lead to condensation on cold surfaces, creating a favourable environment for mould.
• Leaks: Moisture problems from leaking pipes, roofs or window frames significantly increase the risk of mould growth.
• Deferred maintenance: Irregular cleaning and insufficient checks of vulnerable areas can allow mould to spread.

By addressing these causes and taking structural measures, you reduce the risk of recurring mould problems. When mould does develop, it is important to act quickly and carefully with a suitable product and tackle the underlying cause. Prevention remains the most effective approach to maintaining a healthy, mould-free environment in your home. Regular monitoring and maintenance will help you identify potential issues before they become serious problems.