Natural Wood Siding Manufactured in USA with Versatility and Value

Set against the dramatic pines of Flagstaff, Arizona, this custom home is a showcase of how thoughtful material choices can elevate both style and substance. The homeowners set out to create a residence that would feel both timeless and fresh, and the result is a striking example of how prefinished natural materials can deliver on both aesthetic and value.

PROJECT DETAILS

Location:
Flagstaff, Arizona

Project Type:
Custom Private Residence

Builder:
JIRSA CONSTRUCTION, INC
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Applications + Products

• Horizontal Wood Siding: 1″x8″ | AquaFir | Owyhee | Ship Lap | smooth texture
• Board and Batten Siding: 1″x8″ Boards | AquaFir™ | Owyhee | Square Edge | smooth texture;
  1″x4″ Battens | AquaFir™ | Owyhee | Square Edge | smooth texture
• Wood Corner, Window, and Door Trim: 1″x4″ | AquaFir™ | Owyhee | Square Edge | smooth texture
• Window and Door Heads + Sills: 1″x6″ | AquaFir™ | Owyhee | Square Edge | smooth texture
• Fascia: 2″x8″ | AquaFir™ | Owyhee | Square Edge | smooth texture
• Garage Door Header: 2″x10″ | AquaFir™ | Owyhee | Square Edge | smooth texture
• Horizontal Band: 1″x10″ | AquaFir™ | Owyhee | Square Edge | smooth texture

Species & Grade

Kiln-Dried Douglas Fir | #2Btr

THE VISION

Elevated Warmth Tucked Away In Hi-Desert Pines

The homeowners wanted a home that radiated the inviting character of natural wood, but with a crisp, modern edge. Their vision was to create a space that felt both welcoming and sophisticated—where the beauty of wood could be celebrated without feeling heavy or old-fashioned.

THE SOLUTION

AquaFir™ The Art of Adaptability

This is our first design story featuring AquaFir™ in Owyhee. This brown, finished in a smooth texture, proved to be the ideal choice for this project. Its versatility allowed the design team to use the same high-quality Douglas Fir across multiple profiles and applications, from horizontal siding to board and batten, trim, fascia, and even garage door headers. This continuity of material creates a cohesive look, while the semi-transparent finish lets the natural grain and knots of the wood take center stage.

Unlike engineered products that can sometimes feel artificial, AquaFir™ brings an unmistakable authenticity. The prefinished surface not only enhances the wood’s natural character but also provides lasting protection—delivering both beauty and durability in one package. The adaptability of AquaFir™ meant the design could shift seamlessly between traditional and contemporary elements, giving the home a unique personality that stands out in any setting.

DESIGN CONSIDERATIONS

Enduring Natural Wood Appeal, Practical Value

Lasting Style – AquaFir™ prefinished Douglas Fir delivers a look that’s both fresh and timeless, infusing the home with natural warmth and a refined finish that sets it apart.

Built-In Value – Opting for prefinished AquaFir™ Douglas Fir not only ensures lasting value but also simplifies the building process with ready-to-install materials, eliminating the need for on-site staining and saving valuable time and resources.

Design Freedom – AquaFir™’s remarkable versatility empowered the design team to tailor every detail to the homeowners’ vision, resulting in a home that inspires admiration today and for years to come.

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Thermally Modified Siding with Charred Cedar Soffit

PROJECT DETAILS

Location:
Coeur D’Alene, Idaho

Project Type:
Lakefront Residence

Architect:
d’Zign Group

Applications + Products

• Siding: Thermally Modified CVG | AquaFir | Charcoal | Wire Brushed | 1×8 Tex Gap
• Soffits: Western Red Cedar CVG | Charwood | Tiger | 1×6 Beveled T&G WP4
• Trim: Thermally Modified CVG | AquaFir | Charcoal | Wire Brushed | 1×3 & 1×4 Square Edge

THE VISION

A Bold Lakeside Statement: Harmonizing Modern Design with Natural Beauty

The vision for this striking lakefront residence was to create a bold, modern statement that honors its pristine setting. d’Zign Group aimed to design a home that captures the expansive views of Coeur D’Alene Lake while harmonizing with the surrounding evergreen forest. The goal was to achieve a seamless blend of rustic warmth and contemporary sophistication through the thoughtful use of natural materials and strong architectural lines.

THE SOLUTION

Premium Wood Products Deliver a Striking, Sustainable Design

Montana Timber Products provided a comprehensive wood solution that met both the aesthetic and performance requirements of this ambitious project. The use of thermally modified Clear Vertical Grain (CVG) AquaFir for siding and trim offered the perfect combination of beauty and resilience. The charred finish added a sophisticated, modern touch while enhancing the wood’s natural resistance to weathering and insects.

For the soffit, Clear Vertical Grain Western Red Cedar was selected, providing a complementary aesthetic and leveraging cedar’s inherent resistance to decay. The Charwood finish unified the soffit with the overall design scheme.

DESIGN CONSIDERATIONS

Coeur D’Alene Showcases Montana Timber Products’ Premium Materials

1. Climate Adaptation: The thermally modified Aquafir was chosen for its enhanced stability and moisture resistance, crucial for the lakefront setting.
2. Aesthetic Cohesion: The charred finish and wire-brushed texture create a captivating interplay of light and shadow, unifying the home’s exterior.
3. Sustainability: By using locally sourced, sustainably produced materials, the project aligns with environmental stewardship goals.

This Coeur D’Alene residence showcases how Montana Timber Products’ premium materials can elevate architectural design, creating a home that is not only visually stunning but also durable, sustainable, and perfectly attuned to its environment.

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Natural Beauty Cladded in our Thermally Modified Wood

Reaching New Heights in Wellbeing-Centric Living, the Velvære community, nestled between Park City’s iconic Deer Valley Resort and North America’s newest ski destination, Mayflower Mountain Resort, redefines mountain living. Blending seamlessly with the breathtaking Utah landscape, the modern mountain townhomes at Velvære showcase our new thermally modified wood product offering.

PROJECT DETAILS

Location
Park City, UT

Project Type
Townhomes

Applications + Products

• Vertical Exterior Cladding:
  • 1″x4″ | AquaFir™ | clear coat | Shiplap with ¼” reveal | raked texture
  • 1″x6″ | AquaFir™ | clear coat | Shiplap with ¼” reveal | raked texture
• Horizontal Exterior Cladding
  • 1″x8″ | ranchwood™ | Western | Shiplap with ¼” reveal | raked texture

Species & Grade

Thermally Modified Hemlock (Clear Vertical Grain)

THE VISION

Harmonizing with Nature: The Vision for Velvære

The vision for the Velvære townhomes was to create a modern mountain living experience that seamlessly integrates with the surrounding natural beauty while embodying the community’s focus on wellbeing. Inspired by the principles of biophilic design, the architects sought to foster a deep connection between residents and nature. This approach emphasizes the use of natural materials, visual connections to the outdoors, and the creation of spaces that evoke a sense of tranquility and well-being. The choice of thermally modified Hemlock was central to this vision, not only for its inherent warmth and rich texture but also for its sustainable qualities. These luxury homes are designed for discerning individuals who appreciate both refined aesthetics, environmental consciousness, and a wellbeing-focused lifestyle, offering a luxurious yet responsible way to experience the unique charm of Park City and the immersive experiences of Velvære.

THE SOLUTION

Thermally Modified Durability Meets Refined Design

Our thermally modified Hemlock was the cornerstone of this project, offering a compelling combination of performance and aesthetics perfectly suited for the demanding mountain environment of Park City. The following benefits illustrate why it was the ideal choice:

Design Considerations

• Sustainability
• Longevity
• Aesthetic Cohesion

CONCLUSION

Building a Sustainable Legacy

The Velvære townhomes stand as a testament to the power of thoughtful design, sustainable materials, biophilic principles, and a commitment to wellbeing. By embracing the natural beauty and resilience of thermally modified wood, this project offers a modern mountain living experience that is both luxurious and environmentally responsible, creating a harmonious balance between sophisticated living, a deep connection to the natural world, and a truly enriching lifestyle.

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AquaFir™ Brings Light, Complementary Natural Tones to Life at Stunning Residence

Project Details

Location: St. George, UT

Project Type: Private Residence

Applications + Products

Exterior Ceiling Paneling:

Color: AquaFir Driftwood
Custom Profile: 1×6 T&G with 1/8″ reveal
Texture: Smooth

Interior Ceilings:

Color: AquaFir White
Custom Profile: 1×6 T&G with 1/8″ reveal
Texture: Smooth

Wood Species + Grade

Kiln-Dried Douglas Fir | #2Btr

THE VISION

Harmonizing with Architectural Surroundings

This striking St. George residence showcases the versatility and beauty of the AquaFir™ product line. Seamlessly tying together exterior and interior wood ceilings. The goal was to create a fluid design transition from exterior to interior spaces. Designed with light wood finishes in Driftwood (exterior) and White (interior), these color options harmonize with the existing structural elements to achieve a refined aesthetic. 

THE SOLUTION

Light AquaFir™ Color Options Accent the Ceilings

The AquaFir™ product line offers premium prefinished wood paneling that is tailored to meet both aesthetic and functional needs in the desert climate.

Exterior Application

• Driftwood Color Option: A natural, weathered look that harmonizes with the desert environment.
• Durability: AquaFir™ excels in UV resistance and moisture protection, making it ideal for harsh climates.

Interior Application

• White Color Option: Brightens the space, creating an airy and inviting atmosphere.
• Refined Aesthetic: Smooth texture and custom T&G profile contribute to a modern, polished interior design.

Design Considerations

• Seamless Transition: The consistent use of AquaFir™ for both exterior and interior applications ensures design continuity throughout the home.
• Custom T&G Profile with 1/8″ Reveal: Delivers a sleek, contemporary appearance while simplifying installation.
• Eco-Friendly Approach: AquaFir™ aligns with sustainable building practices by enhancing wood’s natural properties without harmful chemicals.

THE RESULT

This St. George residence showcases how the AquaFir™ product line can elevate residential design by combining form and function. The exterior Doug Fir ceilings, in driftwood color, provide lasting protection against the elements. The Doug Fir white interior ceilings enhance the living space with brightness and elegance. The custom T&G profile with a 1/8″ reveal adds a unique touch to both applications, creating a cohesive look throughout. Montana Timber Products’ AquaFir™ demonstrates its versatility as a premium wood paneling, delivering timeless beauty and reliable performance.

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A Modern Approach to Exterior Wood Cladding

Project Details

Location
Park City, UT

Project Type
Private Residence

Applications + Products

• Horizontal Siding: 1×6 AquaFir, Yukon color, Tex Gap Profile, Thermally Modified CVG Hemlock, smooth texture
• Soffits: 1×6 AquaFir, Honey Blonde color, T&G Profile, non-modified CVG Hemlock, smooth texture
  

THE VISION

Embracing Mountain Modern Elegance

The Park City residence showcases a mountain modern aesthetic, blending natural tones of prefinished thermally modified wood with limestone masonry to enhance its sophisticated appeal. Expansive windows and open spaces offer breathtaking views, seamlessly connecting the interior with the stunning mountain landscape. This design achieves a luxurious yet natural harmony that epitomizes contemporary mountain living.

THE SOLUTION

Thermally Modified Wood with Tex Gap Profile: A Perfect Pairing

Thermally modified wood undergoes a specialized heat treatment process, enhancing its natural properties:

• Increased Durability: Highly resistant to rot, decay, and moisture.
• Dimensional Stability: Minimizes warping, cupping, and other common wood movement issues.
• Hydrophobic Properties: Naturally repels water, reducing moisture-related problems.
• Sustainably Sourced: Harvested, treated, and milled to specification in North America.
• Chemical-Free: Achieves superior performance without harmful chemicals.

The Tex Gap profile complements these benefits by offering:

• Blind Fastening: Enables hidden nailing in the tongue, resulting in a clean, nail-head-free appearance.
• Enhanced Aesthetics: Provides a sleek, uninterrupted board look that elevates the overall design.
• Improved Durability: Prevents improper nail sinking, eliminating potential water ingress points.

Design Considerations

1. Contrasting Elements: Black corner trim and facia wrap contrast the thermally modified hemlock siding colored in Yukon Aquifer, creating a complementary mountain modern aesthetic.
2. Tex Gap Profile Installation: Meticulous installation techniques ensure the durability and longevity of Tex Gap profile siding to ensure lifetime durability.
3. Climate Resilience: Montana Timber Product’s thermally modified wood offers enhanced stability and moisture resistance, ideal for Park City Utah’s harsh mountain environments.
4. Finish Options: Various finish options for the AquaFir™ wood were explored to achieve the desired aesthetic while preserving the material’s natural properties, resulting in the selection of the Yukon color for siding and Honey Blonde for soffits, which complements the limestone masonry and enhances the home’s connection to its mountain setting.

This Park City residence achieves a perfect balance of form and function by combining thermally modified wood with the Tex Gap profile. The result is a visually striking exterior that offers superior protection against the elements, reduced maintenance requirements, and a sustainable building envelope that will stand the test of time in its mountain setting.

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Project Details

Location
Malaga, WA

Project Type
Private Residence

Applications + Products

• Horizontal Siding: 1″x8″ AquaFir™ Shiplap in Cascade color, wire-brushed texture
• Soffits: 1″x6″ AquaFir™ T&G in Driftwood color, smooth texture
• Interior Ceilings: 1″x6″ AquaFir™ T&G in Driftwood color, smooth texture
• Trim: 1″x4″ AquaFir™ Square Edge in Cascade and Driftwood colors, wire-brushed texture

Species + Grade

• Kiln Dried Douglas Fir | Knotty #2btr

THE VISION

Seamless Integration with Natural Elements

The architects envisioned a residence that would celebrate the breathtaking views of Malaga, Washington while providing a comfortable, modern indoor environment. Central to this vision was the careful planning of a built environment that would seamlessly blend in with the natural world around it, incorporating natural materials to foster a strong connection between indoor and outdoor spaces.

THE SOLUTION

A Range of Wood Finishes For This Tranquil Retreat

To bring this biophilic design vision to life, the design team skillfully matched the blonde natural wood aesthetic of the interior ceiling paneling to the cabinetry package. Then continued the look to the exterior soffits for a seamless monochromatic design integration.

The combination of selected colors paired perfectly with this home’s design vision and nature-inspired elements. The combination of horizontal siding, soffits, and trim pieces were all crafted out of Douglas Fir from the Pacific Northwest.

Design Considerations

• Material Integration: The AquaFir™ wood cladding was thoughtfully integrated with adjoining materials, creating a seamless transition between different natural elements of the home’s exterior and interior. This careful integration enhances the overall aesthetic and ensures a cohesive architectural design and visual appeal felt throughout the residence.
• Functional Biophilic Design: The wood cladding not only serves as a protective exterior layer but also contributes to the biophilic design of the home. By incorporating natural building materials, textures, and colors, the design creates a strong connection between indoor and outdoor spaces, promoting well-being and a soothing atmosphere.
• Interior-Exterior Flow: The use of AquaFir™ in exterior siding and interior elements helps blur the boundaries between inside and outside, creating a fluid living experience enriched by natural light. This seamless transition encourages residents to engage more fully with their surroundings and enjoy the benefits of indoor-outdoor living.
• Strategic Wood Placement: The architectural design carefully considered the placement of wood elements to maximize their visual and functional impact. From the horizontal siding to the soffits and trim, each application of AquaFir™ was thought out to enhance the home’s architectural features and create a harmonious overall biophilic design.

This stunning residence showcases the versatility of Montana Timber Products’ AquaFir™ line, demonstrating how thoughtful material selection and application can create a visually striking home deeply connected to its surrounding natural environment.

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Wood brings unmatched natural beauty and versatility to homes, commercial buildings, and outdoor spaces. However, its inherent flammability makes fire protection a priority for property owners and builders. A common and critical question is: ‘Is pressure treated wood fire resistant?’ It’s vital to understand that while standard pressure-treated wood offers resistance to rot and insects, it is not inherently fire-retardant and remains combustible. Understanding the latest fire-retardant wood treatments and certification options is crucial for both safety and code compliance. This article will discuss the differences between these two treatments, their benefits, and their compliance with Class A Fire Rating and Wildland Urban Interface (WUI) regulations.

Benefits of Utilizing a Fire Treatment

1. Enhanced safety: Reduces flame spread and smoke development.
2. Code compliance: Meets requirements for Class A Fire Rating and Wildland Urban Interface (WUI) standards.
3. Durability: Treatments improve wood’s resistance to fire and weathering.
4. Aesthetics: Maintains the organic look and feel of genuine wood.

What Are The Fire Rating Classifications?

The following is a basic overview of the fire rating classifications. The index values measure how fast and how far flame will spread over a certain material. Selecting the right fire-retardant product depends on fire rating requirements and local building codes. The ASTM E-84 (Standard Test Method for Surface Burning Characteristics) is commonly used to certify building products.

Class A (or Class 1) Fire Rating

The best fire resistance with the slowest flame spread index between 0-25.

Class B (or Class 2) Fire Rating

Moderate fire resistance with the flame spread index between 26-75.

Class C (or Class 3) Fire Rating

Meets minimum standard with the flame spread index between 76-200.

Wildland Urban Interface (WUI) Compliance

In wildfire-prone regions, meeting Wildland Urban Interface (WUI) standards is crucial. As defined by the U.S. Fire Administration, the WUI is:

“The zone of transition between unoccupied land and human development. It is the line, area or zone where structures and other human development meet or intermingle with undeveloped wildland or vegetative fuels.”

To achieve both a Class A rating and WUI compliance, materials must be ignition resistant, capable of resisting ignition from flying embers or radiant heat during a wildfire.

Pressure-Treated Fire Retardant (FRTW)

Unlike standard pressure-treated wood that protects against decay, pressure-treated fire retardant involves placing the wood in a high-pressure vessel where specific fire-retardant chemicals are forced deep into the wood fibers.. This deep-penetration method results in excellent, long-lasting protection against fire, rot, and insects.

Advantages:

• Achieves and maintains Class A fire rating
• Often required for WUI compliance
• Durable and well-suited for demanding climates and high-risk zones

Considerations:

• Typically more expensive than other methods
• May slightly alter wood color, making it a shade or two darker

Is “Pressure-Treated” the Same as Fire-Treated?

Note, the use of pressure is a part of this fire retardant application process; but, “pressure-treating” wood doesn’t necessarily make it a non-combustible material. For instance, the “pressure-treated” wood at your local lumber yard might have a higher resistance to rot and decay; but, it doesn’t mean it was additionally treated for fire resistance.

Topical Fire Treatment

A fire-retardant coating is applied to the surface, typically sprayed to the wood after milling but before finishing and installation. This surface barrier slows ignition and flame spread.

Advantages:

• Cost-effective solution for projects requiring only Class A certification
• Minimal visual impact—any color change is usually subtle, depending on stain and wood species
• Can be applied in-house, possibly shortening lead times

Considerations:

• Not always suitable for WUI compliance; check with local authorities
• May require reapplication if finish is sanded or removed

Will Fire Treatments Affect The Look Of Wood Siding?

Pressure treatment and spray-applied methods may both result in slight color changes. Pressure-treated wood is often a shade darker, while topical treatments can create very subtle shifts, especially with lighter stains. Always request finished samples for final approval and visual consistency.

Which Fire Retardant Solution is Best For You?

Your optimal fire-retardant wood treatment depends on:

1. Project location: WUI requirements vs. standard Class A compliance
2. Budget: Pressure treatment is generally pricier than spray-applied
3. Aesthetic preferences: Review control samples to assess any finish variations
4. Timeline: Onsite spray treatments may offer shorter lead times

While eliminating wildfires is not possible, there are viable options, while still using a renewable product like natural wood to help protect your property. Home hardening, which includes implementing fire-resistant exteriors and defensible spaces around structures, is a great first plan of action.