Waterproofing is essential to any bathroom ceiling, especially above a shower, an area that comes into contact with steam and water the most. To waterproof a ceiling above a shower, choose waterproof paints or other waterproof materials such as sheets, strips, seams and more.
Use ceiling cladding
You can also use bathroom ceiling cladding over anti-mould paint for twice the level of protection. By combining both methods of mould prevention, you'll be making your ceiling extra resistant to mould build-up by protecting it from getting wet.
If you live in an area with high humidity or have a windowless bathroom, consider investing in a dehumidifier to regulate moisture levels effectively. Applying anti-mold paint or installing ceiling cladding can create a barrier against mold growth on porous surfaces like drywall or plaster.
To waterproof a ceiling above a shower, choose waterproof paints or other waterproof materials such as sheets, strips, seams and more. Should the Shower Ceiling be Tiled? Whether or not you tile your shower ceiling is up to you, your budget and preferences.
Vapor barriers should only be used in areas where there is water or moisture such as kitchens and bathrooms. The interior kitchens and bathrooms specifically need a vapor barrier installed during the building process.
Our top choice for the best mold remover is the Clorox Tilex Mold and Mildew Remover for its overall effectiveness, especially in bathrooms where mold is most prevalent. If you're looking for something made with natural ingredients while maintaining effectiveness, we also recommend the CLR Mold & Mildew Remover.
Mold growth on a bathroom ceiling is nearly always due to inadequate ventilation.
By controlling humidity and preventing mould and mildew growth, a dehumidifier becomes an essential tool in maintaining a clean and healthy bathroom, ultimately making it a more comfortable and hygienic space for all members of the home.
Improve Ventilation: Improving ventilation in your home can help prevent excess moisture in the air, leading to damp patches on the ceiling. This may involve installing exhaust fans in the bathroom and kitchen, opening windows to improve airflow, or using a dehumidifier to reduce humidity levels.
If you want to enjoy the benefits of moisture resistance then moisture-resistant plasterboard is essential for a bathroom or any other wet area. However, if you are tiling boards then the tiles should provide sufficient moisture resistance.
Moisture is well absorbed by black tea, baking soda and silica gel. These are commonly available products which can be poured into a moisture-permeable fabric pouch and then placed in the bathroom. To give it some fragrance, add in dry flowers, ground coffee or orange slices.
It would be best to use high-volume fans alongside a structural drying dehumidifier. This will help you get the wet ceiling dry within a few hours. Ensure to aim the fan towards the ceiling and have the dehumidifier underneath the wet areas.
Products like waterproof paint for bathroom walls or mold-resistant bathroom ceiling paint are designed to handle the steamy conditions typical in these spaces. Retail brands offer options tailored for bathroom environments, ensuring durability and resistance against peeling or mildew growth.
Use Mold-Resistant Paint: If you're sticking with drywall, consider using mold-resistant paint on bathroom ceilings. This type of paint inhibits the growth of mold and mildew.
Hydrogen peroxide, commonly used to disinfect wounds, is active against a wide variety of micro-organisms including mold. It acts by releasing oxygen at a rapid rate, which kills mold by oxidizing the surface and breaking down proteins and DNA.
Mold on bathroom ceilings is often linked to humidity, elevated temperatures, and poor ventilation. Bathrooms, particularly during and after showers, offer an ideal environment for these elements to thrive.
Extruded polystyrene (XPS) foam boards
XPS foam boards are highly recommended for bathroom insulation because of their moisture-resistant properties and good thermal performance. They are durable and provide excellent insulation for bathroom walls, floors, and ceilings.
Use condensation-reducing paint
If you find condensation of your bathroom ceiling and walls after your shower, there are paints on the market that will absorb moisture to prevent condensation. Some also contain anti-mould agents to help prevent the formation of mould.
Greenboard drywall is specifically designed for use in areas of high moisture and humidity, making it an ideal choice for several key locations in a home: Bathrooms: Particularly in shower and bathtub areas, where the walls are regularly exposed to moisture and steam.