Why Your Home’s Building Materials Matter More Than You Think

Healthy home building materials are non-toxic products that don’t release harmful chemicals into your indoor air. The best options include:

• Low-VOC or Zero-VOC paints and finishes
• Natural flooring like cork, linoleum, or FSC-certified wood
• Formaldehyde-free insulation such as wool or blown-in fiberglass
• Solid wood or stone countertops instead of composite materials
• Third-party certified products with labels like GreenGuard, Declare, or Cradle to Cradle

You take over 20,000 breaths daily, and since most time is spent indoors, your home’s air quality is crucial. Unfortunately, many common building materials release chemicals that can affect your health, from respiratory irritation to hormone disruption. With research showing indoor VOC concentrations can be ten times higher than outdoor levels, our homes can become sources of chemical exposure.

The good news is that healthier, more accessible alternatives exist for nearly every application. From antimicrobial wool insulation to air-purifying mineral paints, the options for a healthy home have expanded dramatically.

I’m Pam Hutter, Principal Architect at Hutter Architects in Chicago, Illinois. I’ve spent years helping families select healthy home building materials without compromising on performance or aesthetics. Let me guide you through making informed choices for your home.

The Hidden Health Risks in Conventional Building Materials

The materials used to build your home could be slowly releasing chemicals into the air you breathe. At our firm, we specify healthy home building materials to address genuine health concerns. Since we take over 20,000 breaths a day indoors, the substances released by conventional building products can significantly impact indoor air quality.

The Silent Invaders: VOCs, Formaldehyde, Phthalates, and PFAS

That “new paint smell” is more than an odor—it’s chemicals entering your air. These invisible pollutants can lead to “Sick Building Syndrome,” causing fatigue, headaches, and respiratory irritation.

Volatile Organic Compounds (VOCs) are gases from paints, sealants, and adhesives. Indoor VOC levels can be ten times higher than outdoors, causing throat and eye irritation, headaches, and nausea, especially as new materials off-gas.

Formaldehyde is a known carcinogen found in adhesives for pressed wood products like particleboard and MDF, common in cabinets and furniture. It can slowly release into your home’s air for years, contributing to respiratory problems and other serious health effects.

Phthalates are plasticizers in PVC and vinyl flooring that act as hormone disruptors. Studies link them to liver, lung, kidney, and reproductive system damage—a major concern for families with young children.

PFAS, or “forever chemicals,” accumulate in our bodies and the environment. Found in stain-resistant treatments and other materials, they are linked to serious health issues like kidney and thyroid problems and increased cancer risk. I encourage you to read more about the truth about ‘forever chemicals’ in our homes to understand this widespread issue.

Health Effects: From Respiratory Issues to Cancer Risk

The cumulative impact of these invisible chemicals is a public health concern, linked to respiratory diseases, heart disease, and cancer. Children are especially vulnerable because their bodies are still developing and they breathe more air relative to their body weight.

Fortunately, healthy home building materials exist for nearly every application. Today’s options are effective, beautiful, and increasingly cost-competitive. Using them is about creating a home that actively supports your family’s wellbeing.

Your home should be a sanctuary, not a source of sickness. With the right information, we can make that a reality.

What to Look For: Characteristics of Healthy Building Materials

Now that you understand the risks, let’s discuss what makes a building material truly healthy. When selecting materials, remember you’re choosing the air your family will breathe for years.

The Foundation: Low-VOC and Non-Toxic

The most immediate characteristic is low-VOC or zero-VOC content for cleaner air. But beyond VOCs, truly healthy materials avoid the full spectrum of harmful substances like formaldehyde, phthalates, PFAS, heavy metals, and toxic flame retardants. The chemical composition should be transparent and benign.

The Beauty of Natural and Bio-Based Materials

Often, the healthiest options are natural materials like clay plaster, rammed earth walls, and sustainably sourced wood. They improve air quality and can create a restorative feeling. Bio-based construction materials like hemp, straw, or mycelium go a step further, offering sustainable, carbon-sequestering alternatives to synthetics. We’ve explored how natural building materials can create truly restorative spaces.

Closing the Loop: Recycled and Recyclable Content

Healthy home building materials should also consider their entire lifecycle. Materials with recycled content reduce waste, and choosing recyclable construction materials prevents them from ending up in landfills. A Life Cycle Analysis (LCA) evaluates a material’s entire environmental journey, ensuring we’re not just solving one problem while creating another.

The Game-Changer: Material Transparency

Perhaps the most critical characteristic is material transparency and ingredient disclosure. A manufacturer willing to disclose all ingredients is one you can trust. This transparency helps architects and homeowners make informed decisions and avoid “regrettable substitutions,” where one harmful chemical is swapped for another. Full disclosure helps us choose materials that are safe and perform well long-term, prioritizing durability to create homes that contribute to occupant health for decades.

A Room-by-Room Guide to Healthy Home Building Materials

Choosing healthy home building materials doesn’t mean sacrificing style or performance. Many healthy options offer superior durability and long-term value. The key is making thoughtful, application-specific choices and avoiding “regrettable substitutions.” Let’s explore the healthiest material choices for each room.

Flooring: Beyond Vinyl and Carpet

Your flooring choice is particularly important for indoor air quality. Fortunately, you have plenty of healthy, beautiful options.

True linoleum, like Forbo Marmoleum, is made from natural, renewable ingredients like linseed oil and cork dust. It’s naturally antimicrobial, durable, and has no VOCs, wearing beautifully in high-traffic areas.

Cork flooring, harvested from cork oak trees without harming them, is antimicrobial, soft underfoot, and provides excellent thermal and acoustic insulation.

For a wood look, choose FSC-certified hardwood finished with low-VOC sealants. Bamboo is a rapidly renewable grass that offers a similar aesthetic without off-gassing.

Natural stone and ceramic tile are inherently non-toxic and durable. Look for tiles with recycled content and use low-VOC grouts and adhesives.

What should you avoid? PVC and vinyl flooring, which often contain phthalates and can off-gas for years. For more guidance, explore our thoughts on natural building materials.

Walls & Paint: Creating a Breathable Envelope

What you put on your walls has an outsized impact on your indoor environment. This is one of the easiest places to make a healthy choice.

Low-VOC and zero-VOC paints are the most accessible switch. The “fresh paint smell” is VOCs off-gassing; choosing these paints dramatically reduces emissions without sacrificing performance. Some air-purifying paints even filter VOCs from the air.

For a special finish, clay plaster is a natural, breathable treatment that regulates humidity and absorbs odors. Rammed earth walls offer exceptional sound insulation, minimal embodied carbon, and thermal mass to help regulate indoor temperatures.

Natural wall coverings from linen, jute, or cork add texture without the chemicals of synthetic wallpapers. Skip paints with strong chemical odors and synthetic wall coverings containing PVC.

Insulation: Staying Warm Without the Worry

The materials hidden inside your walls matter just as much as the ones you can see.

Wool insulation is a top performer, insulating better than fiberglass and being naturally flame-resistant. Remarkably, it can also pull harmful chemicals like formaldehyde from the air, actively improving your indoor environment.

Cork insulation, made from renewable bark, offers thermal and fire resistance and sound insulation without chemical additives.

For a budget-friendly option, blown-in fiberglass that’s formaldehyde-free is a solid choice that won’t harm air quality.

Hempcrete, made from hemp, lime, and water, provides excellent insulation and is naturally fire- and mold-resistant. Learn more about eco-friendly insulation materials and how they can transform your home.

Avoid insulation with toxic flame retardants or formaldehyde, which can off-gas for years.

Countertops & Cabinetry: The Heart of a Healthy Kitchen

The kitchen deserves the healthiest materials possible.

For cabinetry, solid wood is the gold standard—durable, non-toxic, and beautiful. Choose FSC-certified wood with low-VOC finishes to avoid the formaldehyde common in composite wood products.

Granite and marble countertops are naturally non-toxic and durable. We’ve worked with stone and wood building materials and find clients appreciate their natural elegance. Recycled glass countertops offer a contemporary look while reducing waste. Sintered stone (e.g., Lapitec, Dekton) is created by compacting natural minerals into a highly durable, non-porous, and non-toxic surface.

Avoid composite wood products like particleboard and MDF unless they are certified as “NAF” (No Added Formaldehyde) or “ULEF” (Ultra-Low Emitting Formaldehyde). Standard laminate countertops also use adhesives that off-gas.

Decoding the Labels: Certifications and Tools for a Healthier Home

Navigating healthy home building materials is challenging due to “greenwashing,” where companies make misleading claims. Third-party certifications and tools are invaluable because they cut through marketing noise and provide the transparency needed for informed choices.

Key Certifications and Standards to Look For

With over 80,000 chemicals in commerce, most untested for human safety, independent certifications are essential. They test products against rigorous criteria so we don’t have to.

Key certifications include:

• UL GreenGuard: Certifies products for low chemical emissions to improve indoor air quality.
• Cradle to Cradle Certified®: Takes a comprehensive approach, assessing material health, reutilization, renewable energy, water stewardship, and social fairness.
• Declare: Acts as a nutrition label for products, transparently disclosing ingredients and flagging chemicals from the Living Building Challenge Red List.
• Health Product Declarations (HPDs): Offer a standardized format for reporting contents and health information, useful for green building projects like LEED and WELL.
• Environmental Product Declarations (EPDs): Detail a product’s environmental footprint based on a Life Cycle Assessment.
• The Living Building Challenge Red List: Identifies the “worst in class” materials and chemicals to avoid in building projects.

Tools to Guide Your Selection

Online resources can also guide your selection. The Healthy Buildings Network’s Informed Product Explorer uses a red-to-green ranking to compare products by hazardous content. I encourage you to explore the Informed Product Explorer tool for your project. Other useful databases include Mindful Materials and Pharos: Chemical and Material Library.

These tools remove the guesswork, allowing you to make data-driven decisions backed by independent verification. When we specify healthy home building materials for our clients in Chicago, we rely on these resources to ensure we’re delivering on our promise of truly healthy, sustainable homes.

The Bigger Picture: Sustainability, Cost, and Implementation

Choosing healthy home building materials impacts more than just personal health; it affects our planet and finances. Embodied carbon—the total emissions from a material’s lifecycle—is a key factor. This leads to the circular economy, a regenerative model where materials are reused or recycled. Choosing recyclable construction materials helps close this loop. This holistic approach, known as Life Cycle Analysis, is central to our practice. Learn more in our architect’s guide to sustainable materials.

Are healthy home building materials more expensive?

While some have a higher upfront price, the true cost is revealed over a material’s lifecycle.

Durability reduces replacement costs. A solid wood countertop may be pricier than laminate initially, but it can last a lifetime. Also consider the long-term health savings. Avoiding respiratory issues has immense value, translating into real savings. Many healthy alternatives are now competitively priced, with low-VOC paints and natural linoleum often comparable to conventional options.

When you compare upfront versus lifecycle costs, including energy savings and reduced maintenance, healthier materials often prove more cost-effective. Our guide to cost-effective insulation solutions for energy efficient homes shows how quality materials pay dividends.

How to incorporate healthy home building materials into your project

Switching doesn’t require a complete overhaul; it’s about being strategic.

• Collaborate with experts who understand this field. At Hutter Architects, our expertise saves you time and helps avoid costly mistakes.
• Prioritize high-impact areas like paint, flooring, and kitchen materials.
• Demand transparency from manufacturers and ask for Health Product Declarations (HPDs). If a company isn’t transparent, choose a different product.
• Educate yourself using the tools and certifications discussed earlier.
• Plan for a healthier future by choosing durable, adaptable materials that can be recycled or repurposed, creating a home that remains healthy and valuable for decades.

At Hutter Architects, we’re committed to guiding Chicago families through these choices, creating homes that don’t just meet today’s standards but anticipate tomorrow’s needs.

Conclusion

Choosing healthy home building materials is a meaningful investment in your family’s well-being. We’ve shown how conventional products can release harmful chemicals like VOCs and formaldehyde, compromising indoor air quality.

The empowering part is knowing what to look for: materials that are low-VOC, non-toxic, natural, and transparent. Every choice, from linoleum flooring to solid wood cabinetry, moves you toward a home that actively supports your health.

Certifications like UL GreenGuard, Cradle to Cradle, and Declare are your allies against greenwashing. Tools like the Informed Product Explorer empower you to make data-driven choices.

While some healthier materials have higher upfront costs, their long-term value is clear. You’re investing in durability, energy efficiency, and priceless health outcomes. The peace of mind from knowing your family is breathing clean air is invaluable.

At Hutter Architects in Chicago, we believe homes should be healthy and sustainable. Our commitment to net-zero design means we consider your home’s long-term impact, focusing on the circular economy and embodied carbon to create future-proofed spaces. You can explore more in our architect’s guide to sustainable materials.

The path to a healthier home begins with one choice. Demand transparency, prioritize high-impact areas, and work with professionals who share your vision. You have the power to ensure your family breathes clean air.

Your home should be your haven—a place where every material choice reflects care for the people you love and the planet we all share. Continue building your healthy home with our guide to eco-friendly home appliances.