Western Timber Frame has been designing and building custom timber pergolas, pavilions, and outdoor structures for over 18 years. From our shop in Payson, Utah, we’ve shipped more than 7,000 structures to homeowners across the nation. Whether you’re in the mountain west, along the coast, or anywhere in between, we bring precision-engineered, handcrafted timber structures directly to you.
18+
Years
7000+
Projects
50
States
28
Awards
Serving Homeowners Nationwide
We proudly design and deliver custom timber structures to clients coast to coast. Every project is engineered for your specific site, climate, and vision—whether you’re building in the desert heat of Arizona, the humid Gulf Coast, or the snow-heavy Rockies.
Florida
Humidity, salt air, and hurricane-force winds dominate Florida. Structures are engineered for high wind ratings, moisture resistance, and corrosion protection. Heavy rainfall and sandy soils add complexity, especially near the coast. Without proper design, decay and structural failure happen quickly in this environment.
utah
High elevation, intense UV, heavy snow, and freeze-thaw cycles define Utah. Structures here are engineered for steep snow loads, deep frost lines, and extreme seasonal swings. Sloped terrain is common, requiring precise footing and elevation adjustments. Without proper engineering, rapid weather changes and sun exposure can break down materials fast.
wyoming
Wyoming demands wind resistance above all else. Open terrain, minimal windbreaks, and extreme cold create constant structural stress. Designs account for high wind ratings, deep frost depths, and temperature swings that weaken standard materials. Every connection must resist movement in one of the harshest outdoor environments in the U.S.
Colorado
Altitude changes everything in Colorado. Snow loads, UV exposure, and weather patterns shift dramatically by elevation. Structures are engineered for exact site conditions, whether in high alpine zones or along the Front Range. Sloped lots, rocky terrain, and rapid freeze-thaw cycles require precision in both design and installation.
Idaho
Idaho combines wet northern climates with dry southern heat. Structures must handle moisture, snow variation, and agricultural environments with dust and wind exposure. Terrain often includes basalt rock and uneven ground, requiring adaptable footing strategies and material choices that perform across shifting conditions.
Texas
Texas spans desert heat, coastal humidity, and expansive clay soils. Structures must handle extreme sun, shifting ground, and seasonal weather swings. Shade performance becomes critical in high-heat regions, while coastal areas demand corrosion-resistant materials and wind-rated engineering.
Georgia
High humidity, long summers, and mild winters define Georgia’s outdoor living. Structures must resist moisture buildup, mold, and long-term decay. Red clay soils and occasional storms add structural considerations. Shade and airflow play a major role in making outdoor spaces usable year-round.
Pennsylvania
Four-season climates with heavy freeze-thaw cycles make durability essential. Structures are engineered for snow load variation, deep frost lines, and moisture movement. Older architecture and hillside terrain often require custom integration, not standard layouts.
California
California combines terrain requirements with extreme climate diversity. Coastal moisture, inland heat, mountain snow, and wildfire exposure all impact design. Structures are engineered for movement, not just load, ensuring long-term stability in earthquake-prone regions.
New York
From urban rooftops to snow-heavy upstate regions, New York requires flexible engineering. Structures must handle snow load variation, deep frost, and dense installation constraints. Coastal humidity and lake-effect snow zones add further complexity to long-term performance.
Alabama
Heavy rainfall, Gulf Coast hurricane winds, and long periods of humidity define Alabama. Structures must account for high wind exposure, repeated wet-dry cycling, statewide termite pressure, and significant soil differences. From Black Belt clay to sandy coastal ground, regional soil conditions add complexity to footing design. Without proper engineering, moisture, termite access, and soil movement can create long-term structural problems.
Louisiana
Louisiana sits in the Gulf hurricane corridor, where humidity stays elevated and soft, water-heavy soils can affect foundation stability. Foundations must account for high water tables and shallow frost depth, while wind engineering scales to the site’s actual exposure. River-parish flooding, coastal storm pressure, and termite activity across the state each add different design considerations. Skip the site-specific work, and settling, shifting, or storm damage can develop over time.
Mississippi
Mississippi combines heavy termite pressure with coastal wind exposure, persistent humidity, and sharply different soil conditions across the state. Wood-to-ground contact needs to be avoided, while hardware and finishes must withstand sustained moisture and coastal exposure. The Delta’s soft, high-water-table soils behave very differently from the firmer ground further inland, making site-specific foundation design essential. Ignore those regional conditions, and structures can settle, corrode, or deteriorate ahead of schedule.
Nevada
Nevada’s challenge is duration, not intensity: extended heat that holds for months, paired with wind exposure across open terrain with little to break it. Foundations have to account for rocky ground in some areas and expansive, shifting soil in others, making site-specific engineering essential. Regional differences also extend from low-desert environments to higher, cooler terrain, affecting how outdoor structures are designed and used. Structures built to a generic statewide approach can miss the conditions that matter most at the individual site.
South Carolina
South Carolina’s coastal structures face a combination of hurricane winds, salt-air corrosion, and persistent humidity, while inland sites bring different soil and drainage challenges. Coastal foundations contend with sandy ground, while moisture-sensitive inland clay requires a different site-specific approach. That regional variation makes location-specific engineering essential, from wind loads and corrosion protection to foundation design. Structures built around generic conditions can miss the demands of the site they’re actually built on.
Arizona
Arizona’s summers push outdoor structures through prolonged extreme heat and intense UV exposure, while monsoon season adds sudden high winds and heavy rainfall. Foundations face another challenge: caliche layers, rocky terrain, and other soil conditions can vary significantly by site. Elevation also changes conditions between low-desert regions and higher mountain communities, making location-specific engineering essential. A generic desert design can miss the heat, wind, soil, or elevation conditions that determine how a structure performs.
Vermont
Vermont’s snow loads shift with elevation, and higher sites call for site-specific engineering rather than a statewide assumption. Frost depth demands the same site-specific approach, with foundations designed for local freezing conditions rather than a one-size solution. Add distinct soil conditions across the state and a short outdoor-use season, and a generic footing plan can leave structures vulnerable to frost heave, uneven settlement, and movement over time.
New Hampshire
New Hampshire packs two climates into one small state: Seacoast wind and salt exposure on one side, White Mountains snow load and elevation on the other. Frost depth requirements also shift within the state, running shallower near the southern border and deepening to the north. Bedrock and soil conditions vary just as much, so a footing plan built around assumptions rather than the actual site tends to underperform. Structures need combined snow-and-ice engineering, not just a snow rating, to survive a real ice storm.
Maine
Maine’s snow load rises sharply from the southern coast to the northern interior, which makes a single statewide roof spec a real liability. Frost depth deepens on the same coast-to-interior gradient, and local code enforcement isn’t uniform across the state’s towns. Add an extensive, irregular coastline and several distinct soil types from glacial till to tidal clay, and the state needs more site-specific variation than its size would suggest.
No matter where you’re building, we engineer every structure for your specific site conditions—soil type, frost line, wind zone, snow load, and terrain requirements.
Why Choose Western Timber Frame?
At Western Timber Frame, we guide homeowners through every step—from initial design consultation to final installation support. Here’s what makes our custom timber structures an excellent choice.
Site-Specific Design, Built for Local Requirements
We design around your project’s local wind, snow, and permitting requirements, with stamped engineering drawings available when required by the project or jurisdiction.
Purpose-Built, Not Template-Based
We don’t sell pre-designed kits pulled from a catalog. Every pergola, pavilion, and structure is designed specifically for your site, your architecture, your climate, and your vision.
CNC-Cut. Dovetail-Joined. Built In-House.
Every timber is precision-cut in-house on our own CNC, giving us direct control over the fabrication process. Our Dovetail Difference® joinery then interlocks the timbers without metal brackets or exposed fasteners.
18 Years, 7,000+ Structures, All 50 States
We’ve been building custom timber outdoor structures since 2008. Over 7,000 projects delivered nationwide. We’ve engineered for desert heat, coastal salt air, mountain snow loads, hurricane zones, and everything in between.
Shop-Applied Sherwin-Williams Stain
Every structure is hand-stained in our shop with UV-rated, exterior-grade Sherwin-Williams stain before it ships. That means full coverage on every surface — including hidden joints and end grain, where moisture intrusion actually starts, and field finishes are hard to reach.
TimberVolt® Pre-Wired Power Posts
Electrical wiring installed inside the timber posts—no visible conduit, no extension cords, no surface-mounted junction boxes. Outlets, lighting, fans, and heaters integrate seamlessly into the structure from day one.
Award-Winning Craftsmanship
28 Best of State Awards, multiple Inc. 5000 honors, HGTV Design Excellence Award, 2026 SBA Utah District Manufacturing Small Business of the Year Award.
Accredited & Certified
Our engineering partners hold licenses across the country and specialize in heavy timber wood-to-wood connections—a rare expertise most general structural engineers don’t have.
What Our Clients Say About Us
What Makes Western Timber Frame Different?
80–85% Shade Coverage With ShadePrint™
Our ShadePrint™ standard targets 80–85% shade coverage, varying by orientation and time of day, to provide dependable outdoor shelter while allowing the structure to handle the demands of every season.
Thermal Mass: Stays Touchable, Even in Extreme Heat
Heavy timber absorbs heat rather than radiating it. Even in 115°F Arizona heat, a timber post won’t reach the surface temperatures that cause contact burns. Aluminum, metal, and vinyl pergolas radiate heat instead of absorbing it, and can get hot enough to burn skin in direct sun—a real concern for families with kids and pets.
EarthAnchor™ Structural Knife Plates
Custom-engineered structural knife plates that serve a dual purpose: they lift the post off the concrete or ground to prevent direct wood contact (the primary cause of base rot), while also serving as a structural anchor. EarthAnchor™ hardware is rated 115+ mph as standard and engineered higher where required. Completely concealed within the timber post—invisible from the exterior.
Patent-Pending Moisture Cap System
Seals the top joint where the post meets the beam—the single most common moisture-pooling point in outdoor timber structures. Prevents water infiltration at the connection that most companies overlook entirely.
Direct-from-Mill Lumber Sourcing
We source Grade A Douglas Fir, Coast Redwood, and Cedar direct from the mill—not through a chain of brokers. That means controlled moisture content, consistent grain quality, and full chain-of-custody accountability. You know exactly what you’re getting.
Compound Angle Joinery Capability
We cut complex, multi-axis angles that allow timber members to meet at non-standard angles—critical when your pergola needs to interface with a hip roof, wrap around an architectural feature, or follow the slope of a hillside lot. Most kit manufacturers can’t do this. Most custom builders won’t.
Coast Redwood in Structural Dimensions
We’re one of the only manufacturers in the country that can source and fabricate Coast Redwood in large structural dimensions (8×8 posts, 4″×14″ beams). It’s naturally rot-resistant, dimensionally stable, and visually in a class by itself—but it requires mill relationships most companies simply don’t have.
Financing Available
Start your project today for as low as $49/month — the same published price whether you pay cash or finance. Terms from 2 to 15 years, no prepayment fees, and checking your rate won’t affect your credit. We believe you shouldn’t have to choose between the pergola you want and the budget you have.
2026 SBA Utah District Manufacturing Small Business of the Year
National recognition for excellence in craftsmanship, client service, and small business leadership.
Ready to Start Your Project?
You don’t need to figure this out alone. We’ll walk you through design, engineering requirements, and what actually works for your environment.
Start with your state. Then let’s design something that holds up to it.