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What’s That Smell After Renovation?

[5-Minute Read]


Have you recently completed a renovation and noticed a strange, persistent smell? Does your throat feel scratchy, or do your eyes water a little more than usual? That lingering smell is formaldehyde and it's still hanging around in your home’s air.

A minimalist living room in a Bishan 4-room resale flat, designed by Comfort Home Interior, featuring a concealed TV unit. The sleek, light-colored carpentry hides the TV when not in use, maintaining the room's clean and modern aesthetic. The design integrates seamlessly with the surrounding curved walls and built-in storage, enhancing the overall minimalistic feel of this Singapore home.

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Where can Formaldehyde be Found?

Formaldehyde is a harmful gas often released from materials such as MDF, plywood, adhesives, and paints – all common in home renovations. This gas can significantly impact indoor air quality, especially when levels become elevated in enclosed spaces. But don’t panic! There are simple steps you can take to manage and reduce formaldehyde exposure in your home.


By improving ventilation, adding air-purifying plants like snake plants, or using HEPA air purifiers, you can effectively combat formaldehyde's harmful effects.


At Comfort Home Interior, we adhere to the E1 formaldehyde emission standard to ensure a healthier environment by conducting thorough air quality tests after each renovation in the cleaning phase. We share the results on our social media so you can rest assured your space is safe. Wondering how to protect your home from formaldehyde exposure? We’re here to guide you every step of the way.


 

Understanding Formaldehyde in Interior Design: A 2024 Guide

Stacks of plywood stored in a warehouse, awaiting carpentry work. This image relates to a blog post discussing formaldehyde exposure from wood materials commonly used in interior design projects in Singapore.

What is Formaldehyde?

Formaldehyde is a colorless gas commonly used in the production of construction materials like MDF, plywood, and composite woods. It's often found in furniture, flooring, and even cabinetry. While it plays a critical role in making these materials durable and cost-effective, formaldehyde can be dangerous when it off-gasses (releases gas) into the air over time.


Do you ever notice a “new” smell from freshly installed furniture or flooring? That’s formaldehyde slowly being emitted into your home’s air. Prolonged exposure can lead to serious health issues, making it vital to understand how to minimize its presence.

 

Safe and Danger Levels for Formaldehyde

A close-up of a hand holding an air quality checker displaying safe levels of HCHO (0.005 mg/m³) and TVOC (0.027 mg/m³). The screen indicates a clean and healthy indoor environment, highlighting the importance of monitoring formaldehyde emissions and overall air quality.

You might wonder, how much formaldehyde is too much? 

According to the World Health Organization (WHO), formaldehyde levels should not exceed 0.08 mg/m³ indoors. Once concentrations surpass 0.1 mg/m³, you could experience symptoms such as throat irritation, watery eyes, or respiratory issues. Levels above 0.5 mg/m³ are considered highly dangerous, significantly increasing the risk of severe health problems.


Have you tested your indoor air recently? Renovations often lead to elevated formaldehyde levels, which can linger for months. Knowing your air quality is the first step to a healthier home.

 

How to Minimise Formaldehyde Exposure

Modern eclectic style living room in a 4-room HDB apartment in Tanjong Pagar, Singapore, designed by Comfort Home Interior. The room features contemporary furniture, vibrant plants, and cozy decor, illuminated by natural light from large windows offering a city view.

1. Improve Ventilation

The simplest way to tackle formaldehyde is by improving ventilation for 2-3 months. After renovations, open windows, use fans and ensure there's a steady airflow throughout your home. Fresh air helps flush out harmful gases, including formaldehyde.


Tip: After any renovation, keep windows open for a few days to allow proper ventilation.


Living room in a 4-room resale HDB apartment at Punggol Walk, Singapore, showcasing a pastel Scandinavian design with an abundance of indoor plants. Designed by Comfort Home Interior, the space features minimalist wooden furniture, soft natural light through sheer curtains, and lush greenery adding warmth and freshness to the modern, cozy setting.

2. Indoor Plants

Did you know that some plants can act as natural air purifiers? Snake Plants, Peace Lilies, and Spider Plants are known to absorb toxins, including formaldehyde, making them valuable additions to your home.


However, plants alone won’t eliminate formaldehyde entirely and would take 3-6 months to have a noticeable impact They serve as a helpful supplement to other methods like using air purifiers or improving ventilation.


White air purifier with a digital display placed beside a black drawer unit in a modern, minimalist room with light wooden flooring. The purifier contributes to a clean, clutter-free environment, illuminated softly by a nearby table lamp.

3. Air Purifiers

Air purifiers equipped with HEPA filters and activated carbon filters are highly effective at reducing formaldehyde and other volatile organic compounds (VOCs) within 1-2 weeks. These purifiers trap even the smallest particles and neutralize harmful gases, significantly improving indoor air quality.


Looking for the best air purifier for your home? Make sure it includes both HEPA and carbon filters to target formaldehyde specifically.


 

Health Risks of Formaldehyde Exposure

Air quality monitor displaying elevated HCHO (0.110 mg/m³) and TVOC (0.611 mg/m³) levels, used for tracking formaldehyde and volatile organic compounds in indoor environments

Concerned about the health risks? Long-term exposure to formaldehyde can increase your risk of developing nasopharyngeal cancer, leukemia, and other respiratory diseases. Even short-term exposure can cause discomfort, including irritation to the eyes, nose, and throat.


Are you someone with asthma or allergies? Formaldehyde can exacerbate these conditions, causing symptoms like coughing, wheezing, and shortness of breath. Taking steps to control your exposure now can protect your health in the future.


 

Side Effects of Formaldehyde Exposure

Wondering if you’ve been exposed to formaldehyde? Here's a quick look at the most common side effects when levels exceed 0.1 mg/m³:

  • Irritation: Burning sensations in the eyes, nose, and throat.

  • Respiratory issues: Coughing, wheezing, and shortness of breath, especially in people with asthma or other lung conditions.

  • Skin irritation: Redness, rashes, and itching upon contact with formaldehyde-contaminated surfaces.

  • Long-term risks: Increased risk of nasopharyngeal cancer, leukemia, and other forms of cancer from prolonged exposure.

If you’re experiencing any of these symptoms, it’s time to take action. Start by testing your air quality to assess formaldehyde levels.


 

Take Action to Keep Your Home Safe


Planning a renovation or know someone who is? Let Comfort Home Interior help you build your dream home, free from worry and stress. We’ll guide you through every step, ensuring a stylish and healthy space. Share this post with friends and family members to help them enjoy the same peace of mind and beautiful results.



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