Fire-Resistant Construction — Sacramento Interior Design - Blog - Kristen Elizabeth Design

Materials, construction, and design techniques to withstand wildfires

The recent wildfires in LA County have been among the most devastating in the state’s history. Over 16,000 structures—homes, schools, businesses, and beloved neighborhoods—have been lost or severely damaged (Cal Matters). Our hearts go out to the communities that have been rocked to the core and to those who have lost everything. The scale of destruction is hard to fathom.

With wildfires becoming more frequent and intense, fire-proofing your home with fire-resistant construction is more important than ever—especially for those in high-risk areas. In this guide, we'll explore essential materials and construction techniques that can help safeguard your home against wildfires. We’re also sharing ways you can support those affected by the fires. By implementing these strategies, you can make informed decisions, enhance your home’s resilience, protect your investment, and gain peace of mind.

Designed by Kristen Elizabeth Design, Photographed by Kat Alves

Why Build a Fire-Resistant Home?

Wildfires can be unpredictable and fast-moving. A fire-resistant home offers more than just protection—it provides long-term security and financial advantages.

Safety and Security

A fire-ready home significantly reduces the risk of destruction, protecting your family, belongings, and property in the face of extreme conditions.

Cost Savings

Homes built with fire-resistant materials often qualify for lower insurance premiums, leading to substantial long-term savings (NHC Insurance Services). Additionally, these homes are less likely to suffer extensive damage, reducing costly repairs and replacements. Over the next 30 years, it’s estimated insurance costs will increase by 25% nationally with increases up to 90% in areas affected by extreme weather (Fast Company). Due to these cost increases, investing in a fire-resistant home will pay off in the long run.

Increased Property Value

Fire-ready homes are highly desirable in wildfire-prone regions. Whether you plan to sell or stay, investing in fire-resistant construction enhances your property’s value making it a wise investment.

Fire-Resistant Home Construction

Now that you have an understanding of the key benefits, let's dive into fire-ready construction. Fire-resistant homes are designed to withstand extreme heat, flying embers, and radiant heat exposure. Key construction features include:

Non-combustible or fire-retardant materials for framing, siding, roofing, and insulation.
Defensible space planning to keep flammable vegetation away from the home.
Fire-resistant windows and doors that prevent flames from penetrating the structure.

Designed by Kristen Elizabeth Design, Photographed by Rikki Snyder

Fire-Resistant Building Materials

With these features in mind, let’s review the essential materials and design strategies that make a home fire-resistant. Selecting the right materials is critical, here are some of the top options for framing, siding, and roofing:

Insulated Concrete Forms (ICF)

ICF construction, an alternative to traditional wood framing, involves interlocking foam blocks filled with concrete, creating a strong, well-insulated structure. These walls withstand extreme heat while offering excellent energy efficiency—a smart choice for fire-prone areas. Unlike wood framing, ICF homes resist combustion and have a higher chance of withstanding direct exposure to flames (ICF Specialist).

Mass Timber

Unlike traditional wood framing, mass timber is thick and dense, naturally resisting fire. When exposed to flames, it chars on the outside while maintaining structural integrity. This protective charring slows combustion, making it a more fire-resistant option than conventional lumber. In addition to its resilience, mass timber is also a sustainable option and more cost-efficient than concrete (Think Wood).

Thermally Modified Wood Siding

This sustainable wood undergoes a heat treatment process, improving its durability and fire resistance. The process changes the wood’s cellular structure, making it more resistant to ignition and decay. It also adds a rich, deep color to your home’s exterior while requiring minimal maintenance over time (Arbor Wood Co.).

Concrete & Stucco

Both concrete and stucco are non-combustible, offering excellent fire resistance. Concrete, whether used for walls, foundations, or patios, can withstand extreme heat. It has the highest fire resistance of any material. Stucco, when applied in multiple layers, creates a durable fire-resistant barrier, making it an ideal siding material in wildfire-prone regions (How Stuff Works).

Fire-Resistant Roofing

A fire-resistant roof is essential to prevent embers from igniting your home. Select a material with a Class A rating, this means it has the highest resistance to fire (All American Roofing). The best options include:

Metal Roofing – Highly durable, heat-resistant, and impervious to embers, metal panels reflect heat and do not ignite, offering one of the best defenses against wildfires.
Clay or Concrete Tiles – Naturally fire-resistant and long-lasting, these materials provide excellent insulation while adding a timeless look to your home.
Slate Roofing – Non-combustible and visually appealing, slate tiles can withstand high temperatures and extreme weather conditions.
Synthetic Roofing Shingles – Designed for fire resistance while mimicking traditional aesthetics, synthetic options are treated with fire-retardant chemicals to meet Class A standards.
Asphalt Shingles – Though not as fire-resistant as metal or tile, specially treated asphalt shingles can provide adequate protection when combined with fire-resistant underlayment.

No matter which material you choose, proper installation and regular maintenance—such as clearing debris from gutters and roofs—are essential to maximizing fire resistance.

Fire-Resistant Insulation

Choosing the right insulation can prevent the spread of fire within walls and attics (Prodex Total Insulation). The best fire-safe insulation materials include:

Mineral Wool – Naturally fire-resistant, mineral wool is able to withstand extremely high temperatures without melting or releasing toxic fumes.
Spray Foam – When treated with fire retardants, spray foam can provide insulation while helping to prevent fire from spreading through cracks and gaps.
Cellulose – A recycled paper-based insulation treated with fire retardants, cellulose slows combustion and limits flame spread.

It’s important to note, that while no insulation is entirely fireproof, selecting fire-resistant materials adds an extra layer of protection improving the overall safety of your home.

Designed by Kristen Elizabeth Design, Photographed by Stephanie Russo

Home Design Considerations for Fire Safety

Beyond fire-resistant construction materials, home design strategies play a crucial role in fire prevention.

Create Defensible Space

Create a protective zone around your home by clearing flammable vegetation and using non-combustible materials for pathways, fences, and decks. This buffer slows fire spread and reduces risk.

Keep Fire Risks Detached

Flammable materials—such as vehicles, stored paint, and firewood—should be kept in detached structures, away from the main house. Wooden fences should include a fire-resistant masonry break between the fence and the house. Wooden stairs or decks should be made with fire-resistant materials or fire-treated wood.

Fire-Resistant Landscaping

Choose plants with high moisture content that resist ignition. Keep vegetation well-trimmed and avoid trees or shrubs near the home that could act as a fire ladder.

Fire-Resistant Windows and Doors

Install double-glazed, tempered glass windows that withstand high heat. Fire-rated doors with proper sealing prevent embers from entering. Avoid acrylic skylights, which can melt and leave openings in your roof. Instead, opt for tempered glass skylights, which can better withstand high temperatures.

Screen Entry Points

Use wire mesh on vents, chimneys, and other entry points to block embers while allowing airflow. Ensure that the mesh material is non-combustible and corrosion-resistant.

Consult Professionals

California's building codes evolve to address wildfire risks. Working with experienced professionals ensures compliance while achieving your design goals.

At KED, we have experience in fire-resistant home design. Our expert network of contractors understands the latest fire-resistant construction methods and will help you create a safe and stylish home that meets local safety standards.

Looking to Help Those Affected by Recent LA Wildfires?

Though the flames have been extinguished, the recovery process is far from over. Many families and communities still need critical support. If you’re looking for ways to help, consider donating to these organizations providing relief:

California Fire Foundation Wildfire & Disaster Relief Fund – Works with community-based organizations and local fire agencies to provide financial assistance to residents impacted by the fires.
Los Angeles Regional Food Bank – Partners with government agencies and nonprofit organizations to distribute food and essentials to those displaced by the wildfires.
Mercy Chefs – A nonprofit specializing in disaster relief, providing meals to wildfire victims, firefighters, first responders, and volunteers.
ASPCA Los Angeles – Offers disaster relief services, including animal search and rescue, emergency sheltering, relocation, and supply distribution for pets affected by the fires.

Rebuilding will take time, and ongoing support is crucial. Every contribution—big or small—can make a difference.

Final Thoughts

As wildfires continue to pose a growing threat, building a fire-ready home is more important than ever. By selecting fire-resistant materials like mass timber and metal roofing, you can protect your loved ones, save money, and increase your property’s value.

Wildfires are unpredictable—but your home's safety doesn't have to be. Contact us today to build a fire-resistant, stylish, and sustainable home that meets California’s latest safety standards.