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วิธีกำจัดเชื้อราบนผนังปูนให้หมด How to clean mold off the concrete walls

How to remove mold off concrete walls - Restore your home’s beauty

One common issue for homeowners is mold on concrete walls. If it’s not taken care of, it can lead to deterioration and damage to your home and may also cause serious illnesses, such as Aspergillosis. Furthermore, if left untreated without initial maintenance, the damage may worsen to the point where it can’t be fixed on your own, requiring a professional to resolve the issue, which will lead to additional expenses.

Causes of mold growth on concrete walls

Primarily, it is mostly caused by moisture

Water pipe leakage issues

If house walls are exposed to leaking water pipes for an extended period, moisture can seep into the concrete walls, leading to mold and algae stains

Rainy season

When it rains, concrete walls absorb moisture from the rain. Even after the rain stops, this moisture doesn’t evaporate immediately, making it easy for mold to grow

The accumulation of moisture

Due to poor air circulation around the concrete walls and lack of sunlight exposure, making it easier for mold to grow

Mold cleaning equipment for concrete walls

Scotch-Brite Scrub Brush 3M

A stiff-bristled brush or a wire brush

ถุงมืออเนกประสงค์ วัสดุยาง PVC

Gloves

หน้ากากกันฝุ่นสำหรับช่าง ไม้ ก่อสร้าง หน้ากากงานอุตสากรรม

A mask

แว่นตานิรภัย DELI

Safety Glass

Scotch-Brite 3M Foam Melamine

A cloth or sponge

structure repair, concrete bonding agent

The crack filler

TOA 113 Microkill mold and algae remover

The mold and algae remover

Drinking water

Clean water

The steps to remove mold from concrete walls are as follows

How to remove mold off concrete walls

Step 1 : Wear gloves, glasses, and a mask

Before starting to remove mold, you need to wear gloves, glasses, and a mask for protection from chemicals or dust that may be exposed to your skin. Additionally, it helps prevent contact with the mold that is about to be removed from the concrete walls

How to remove mold off concrete walls

Step 2 Clean the concrete walls with a cleaner

Clean the concrete walls with a mold remover mixed with water in a 1:3 ratio or as per the product label. Use a stiff-bristled brush to scrub the mold stains on the concrete walls. If the mold stains are stubborn, leave the solution on the wall for at least 10-15 minutes

How to remove mold off concrete walls

Step 3 Rinse the concrete walls with clean water

Use a cloth or sponge to clean off the mold stains and the solution left on the concrete walls with clean water. Then, allow the walls to dry completely for at least 24 hours to ensure all moisture from the cleaning process evaporates

How to remove mold off concrete walls

Step 4 Seal cracks on the concrete walls (if any)

Use a crack filler suitable for the type of crack. Clean the crack with a brush and use a heat blower to dry it before sealing. This helps prevent moisture buildup later on

How to remove mold off concrete walls

Step 5 Apply mold-resistant coating to the concrete walls (if available)

Once the walls are completely dry for at least 24 hours, apply a mold-resistant solution on the wall surface. Let it dry for at least 3 hours without rinsing

How to remove mold off concrete walls

Step 6 Enhance the appearance with primer and topcoat

To improve the appearance of the concrete walls, apply a primer and a topcoat. Choose a formula that allows moisture to evaporate well and prevents mold and efflorescence stains. (For detailed instructions on painting, see here)

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ทักษิณา สุขใส intern in digital marketing SEO content writer
Thaksina Suksai

รากฐาน คือ สิ่งที่สำคัญที่สุดในการนำไปต่อยอดในเรื่องต่างๆ เพราะมันทำให้เราเข้าใจกระบวนการทำงานได้หลากหลายอย่างวงกว้าง เข้าใจความเป็นธรรมชาติ จนเกิดการคิดวิเคราะห์ตกผลึกเป็นไอเดียสำคัญที่สามารถช่วยเหลือผู้คนในโลกใบนี้ได้มากมายอย่างแท้จริง

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