FIRE TREATED NATURAL WOOD SIDING
Timeless natural beauty with modern fire protection — premium wood siding for Colorado mountain and metro homes.

Fire Treated Natural Wood Siding in Denver, Colorado
Nothing matches the warmth and character of real wood siding. Cedar, redwood, and pine have been prized for centuries for their natural beauty, and modern fire retardant treatments now make it possible to enjoy that beauty while meeting Colorado's strict fire codes — including Wildland-Urban Interface (WUI) requirements.
At The Roofing and Siding Company, we install fire treated natural wood siding for homeowners who want an authentic, premium exterior. Whether your home is nestled in the foothills or in a Denver metro neighborhood, we help you achieve the look you love with the fire protection your community requires.
What Is Fire Treated Wood Siding?
Fire treated wood siding is natural lumber — cedar, redwood, or pine — that has been pressure-treated with fire retardant chemicals. This treatment penetrates deep into the wood fibers, achieving a Class A fire rating (the highest available) while preserving the wood's natural grain, color, and workability. The treatment meets WUI building codes required in many Colorado mountain communities and increasingly in suburban developments near open space.
Types of Fire Treated Wood Siding
Several wood species and profile options are available:
- Western Red Cedar: Naturally rot-resistant with a beautiful tight grain. The most popular choice for its combination of durability, workability, and stunning appearance.
- Redwood: A premium option prized for its rich, warm color and exceptional natural durability. Redwood's tight grain resists warping and splitting.
- Treated Pine: A more cost-effective option that accepts stain beautifully and provides solid performance when properly treated and maintained.
- Profile Options: Available in lap (horizontal), tongue-and-groove, board-and-batten (vertical), and shingle profiles to suit any architectural style.
Benefits of Fire Treated Wood Siding
Fire treated wood siding offers a unique combination of beauty and safety:
- Class A Fire Rating: The highest fire resistance classification, required in many Colorado communities and providing peace of mind for all homeowners.
- Authentic Natural Aesthetics: No manufactured product can truly replicate the depth, warmth, and character of real wood grain.
- WUI Compliant: Meets Wildland-Urban Interface building codes required in Colorado foothill and mountain communities.
- Environmentally Sustainable: Wood is a renewable resource with a lower carbon footprint than manufactured siding materials.
- Excellent Insulation: Natural wood provides superior insulation value compared to vinyl or metal siding, helping regulate indoor temperatures.
- Fully Customizable: Can be stained in any color, painted, or left to weather naturally for a rustic silver-gray patina.
Why Fire Treated Wood for Denver Homes
Denver and Colorado's Front Range have specific conditions that make fire treated wood an excellent choice:
- Colorado Fire Codes: Many communities along the foothills and in mountain areas require Class A exterior materials. Fire treated wood meets these requirements while preserving natural aesthetics.
- Natural Insulation: Wood's natural insulating properties help moderate Denver's temperature extremes, from sub-zero winters to 90°+ summers.
- UV Resistance at Altitude: Cedar and redwood contain natural oils that help resist UV degradation, important at Denver's 5,280-foot elevation.
- Breathable Material: Wood naturally manages moisture through absorption and release, performing well in Colorado's dry climate.
- Curb Appeal & Home Value: Natural wood siding consistently ranks among the highest-value exterior upgrades, adding significant curb appeal and resale value.
Our Wood Siding Installation Process
Natural wood siding requires experienced installation to ensure long-lasting performance:
- Existing Siding Removal: We carefully remove old siding and thoroughly inspect the underlying structure for any damage.
- Moisture Management System: Proper housewrap, flashing, and rainscreen systems create a drainage plane that protects against moisture intrusion.
- Precision Milling & Fitting: Each board is carefully selected, cut, and fitted with proper spacing for seasonal expansion and contraction.
- Proper Fastening & Spacing: We use stainless steel fasteners and maintain proper gapping to accommodate wood's natural movement with temperature and humidity changes.
- Staining or Painting: We apply your chosen finish — stain, paint, or clear coat — to protect and beautify the wood.
- Final Inspection & Maintenance Plan: We review the completed installation and provide a maintenance schedule to keep your wood siding looking beautiful for decades.
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