Black mould is a type of fungus that can grow in damp areas, including silicone sealant. It can cause health issues, such as respiratory problems and allergies, and it can also make the area look unsightly. In this guide, we will show you how to safely and effectively remove black mould from your silicone sealant without cutting it out and having to reappply. 
Safety Precautions 
Before you begin, it is really important to take the necessary safety precautions. This includes wearing protective gear, such as gloves and a face mask, and ensuring proper ventilation in the room that you are going to be working in.  
Materials Needed : 
Spray bottle 
Scrub brush 
Sponge or rag 
Face mask 
Protective eyewear 
Removing Black Mould From Silicone :  
You will first want to mix a solution of bleach and water in a spray bottle. Use a ratio of one part bleach to ten parts water. 
Spray the solution onto the black mould on the silicone sealant. 
Let the solution sit for 10-15 minutes to allow it to break down the black mould. 
Scrub the affected area with a scrub brush to aggrevate the mould and start removal. 
Rinse the area with water to remove any remaining bleach solution. 
Use a sponge or rag to dry the area thoroughly. 
Repeat the steps again if not all of the black mould is removed. 
Prevention Tips 
First of all you will want to keep the area as dry as possible by wiping down the silicone sealant after each use. Using a dehumidifier is also a good idea in areas with high humidity to reduce the moisture in the room. Another priority would be to fix any leaks you have to prevent water from seeping into the silicone sealant. A final step would be to replace old silicone sealant with new sealant to stop mould growth. 
Removing black mould from silicone sealant is important for both health and aesthetic reasons. By following the steps outlined in this guide and taking preventative measures, you can keep your home safe and looking its best. Remember to always wear protective gear and ensure proper ventilation when dealing with mould. 
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