Outdoor Spaces Built for Gathering and Enjoying Wisconsin's Beautiful Seasons
Enjoy the beautiful Wisconsin seasons with a custom-built deck or patio. At Firm Foundation Construction, your trusted deck builder serving the greater La Crosse area, we create outdoor spaces built for gathering—whether you want a space for summer BBQs, family gatherings, or a quiet spot for your morning coffee throughout western Wisconsin and southeastern Minnesota.
With 14 years of deck and patio construction experience, we build outdoor structures that are as sturdy as they are beautiful. We ensure every post and beam is set on a "firm “foundation”—delivering structural integrity, attention to detail, and craftsmanship your family will enjoy for years.
Custom Deck Construction
Tailored designs for your lifestyle and property.
TimberTech Composite Deck Installation
Premium low-maintenance decking.
Wood Deck Building
Natural cedar, pressure-treated, and hardwood options.
Multi-Level Deck Design
Maximize space with tiered deck systems.
Patio Construction
Paver patios, stamped concrete, and natural stone.
Deck Railing Systems
TimberTech composite, aluminum, cable, and wood railings.
Pergola and Shade Structure Installation
Create covered outdoor living areas.
Deck Lighting Installation
LED post lights, step lights, and under-rail lighting.
Outdoor Kitchen Prep
Built-in grill stations and outdoor dining spaces.
Deck Repair and Restoration
Fix damaged boards, railings, and structural issues.
Deck Staining and Sealing
Protect and beautify wood decks.
Premium Decking Materials
At Firm Foundation Construction, we specialize in the best decking materials for Wisconsin's climate:
TimberTech Composite Decking – Premium Low-Maintenance Beauty
Why We Choose TimberTech
TimberTech is the premium leader in composite decking—engineered to withstand Wisconsin's extreme weather while delivering stunning, natural wood aesthetics. As certified TimberTech installers, we trust their products for superior performance and unmatched warranties.
What Makes TimberTech Superior
- Capped Polymer Technology: The 360-degree protective shell resists fading, staining, and scratching.
- No Maintenance Required: Never needs staining, sealing, or painting.
- 30-Year Fade and Stain Warranty: An industry-leading color retention guarantee.
- Splinter-Free Surface: Safe for bare feet and children playing.
- Scratch and Stain Resistant: The durable surface resists furniture marks and spills.
- Mold and Mildew Resistant: Won't rot or decay in Wisconsin's humid summers.
- Weather Resistant: Engineered for freeze-thaw cycles without cracking.
- Slip Resistant: The textured surface is safer than wood when wet.
- Made in USA: American manufacturing with sustainable practices.
TimberTech Product Lines
AZEK Collection (Premium Tier)
- 100% PVC construction (no wood content).
- Maximum durability and performance.
- Won't absorb moisture (perfect for pool decks).
- Highest fade and stain resistance.
- 30-year comprehensive warranty.
- Premium price point.
PRO Collection (Performance Tier)
- Capped polymer composite.
- Excellent fade and stain resistance.
- Great value for premium quality.
- 25-year warranty.
- Most popular choice.
EDGE Collection (Value Tier)
- Capped composite at accessible pricing
- Good fade and stain resistance
- Budget-friendly premium option
- 25-year warranty
TimberTech Composite Deck Benefits
- Authentic Wood Grain: Realistic wood texture and color variations.
- Multiple Color Options: From warm browns to cool grays.
- Cool Surface Technology: Some lines stay cooler underfoot in summer sun.
- Hidden Fastener System: Clean, screw-free surface appearance.
- Eco-Friendly: Made from 95% recycled materials.
- Increases Home Value: Premium composite decking adds resale appeal.
- Pet and Family Friendly: Resistant to scratches from pets and outdoor furniture.
TimberTech Warranty Coverage
30-Year Limited Warranty
Comprehensive material defect coverage (AZEK).
25-Year Limited Warranty
PRO and EDGE collections.
30-Year Fade and Stain Warranty
Industry's best color retention guarantee.
Labor Warranty
Includes installation coverage when installed by certified pros.
Structural Warranty
Won't split, splinter, rot, or decay.
Transferable
Full warranty transfers to new homeowners (adds resale value).
Why TimberTech Outperforms Other Composite Brands:
| Feature | TimberTech | Standard Composite |
|---|---|---|
| Fade Warranty | 30 years | 10-25 years |
| Stain Resistance | Superior capping | Standard |
| Scratch Resistance | Excellent | Fair to good |
| Heat Retention | Cool surface options | Gets hot |
| Moisture Absorption | Minimal (capped) | Higher |
| Realistic Appearance | Premium wood grain | Basic texture |
| Warranty Coverage | Most comprehensive | Standard coverage |
| Made in USA | Yes | Varies |
Best for: Wisconsin homeowners seeking premium, low-maintenance outdoor living with industry-leading warranties, authentic wood appearance, and lifetime durability.
TimberTech Railing Systems
Complete your deck with TimberTech's premium railing systems:
TimberTech Composite Railings
- RadianceRail® (capped composite).
- Match or complement your deck boards.
- Low maintenance (no painting ever).
- Multiple color options.
- 25-year warranty.
- Hidden fastener installation.
TimberTech Aluminum Railings
- Impression Rail® (powder-coated aluminum).
- Sleek, modern appearance.
- Virtually maintenance-free.
- Variety of colors (black, bronze, and white).
- Lifetime warranty.
- Strong and lightweight.
Cable Railing Systems
- ALX Contemporary Cable Rail.
- Modern, minimalist design.
- Unobstructed views (perfect for scenic properties).
- Stainless steel cables.
- Low maintenance.
- Premium contemporary look.
- Black aluminum frame options.
Glass Panel Railings
- ALX Classic Aluminum Rail with glass.
- Maximum visibility.
- Wind protection for upper decks.
- Modern, luxurious look.
- Easy to clean tempered glass.
Traditional Wood Railings
- Match wood deck materials.
- Can be custom-designed.
- Requires periodic staining.
- Classic appearance.
Custom Deck Design Features
Multi-Level Decks
Create defined spaces for dining, lounging, and entertaining with tiered deck designs that maximize usable space and add architectural interest.
Built-In Seating
Integrated TimberTech bench seating around deck perimeters provides permanent seating and eliminates the need for bulky furniture.
TimberTech Deck Lighting
- DeckLites™ LED post cap lights (solar and low-voltage).
- Under-rail LED strip lighting.
- Stair riser lights (safety and ambiance).
- In-deck recessed lighting options.
- Integrated lighting in railings.
Outdoor Kitchens
- Built-in grill stations with TimberTech decking.
- Counter space for food prep.
- Weather-resistant storage cabinets.
- Beverage coolers.
- Outdoor sinks.
Pergolas and Shade Structures
- Attached or freestanding pergolas.
- Retractable shade canopies.
- Louvered roof systems.
- Lattice privacy screens.
- TimberTech structural posts.
Privacy Features
- Privacy walls and screens.
- Lattice panels.
- Planter boxes with tall grasses.
- Strategic landscaping integration.
Benefits of Custom TimberTech Decks:
- Expand Living Space: Add functional square footage to your home.
- Increase Home Value: A premium deck/patio adds 70-85% ROI.
- Family Gathering Space: Perfect for BBQs, parties, and quality time.
- Enjoy Wisconsin Seasons: Make the most of beautiful spring, summer, and fall weather.
- Connect With Nature: Outdoor living brings you closer to your yard and landscape.
- Outdoor Entertainment: Host memorable gatherings with friends and family.
- Enhance Curb Appeal: Beautiful outdoor spaces improve your home's appearance.
- Stress Relief: Peaceful outdoor retreat right at home.
- Zero Maintenance: TimberTech composite never needs staining or sealing.
- 30-Year Warranty: Industry-leading protection on your investment.
Why Choose Firm Foundation Construction for Decks and Patios?
Certified TimberTech Installer
Trained in premium composite deck installation.
Material Expertise
TimberTech composite and wood options explained honestly.
Structural Integrity
Every post and beam is set on a firm foundation.
Wisconsin Weather Experts
14 years building decks that withstand the harsh Midwest climate.
Licensed and Insured Contractor
Professional construction you can trust.
Free Deck Estimates
Transparent pricing with detailed quotes.
Serving 30+ Communities
Extensive service area across Western Wisconsin.
Faith-Based Values
Integrity and craftsmanship in every outdoor project.
Clean Worksite
Respect for your property with daily cleanup.
Warranty Support
Full TimberTech warranty registration and support.
Custom Deck Construction Process
Free Consultation and Site Visit
We discuss your vision, assess your property, and measure.
Custom TimberTech Design
Detailed deck plans showing layout, dimensions, and features.
Material Selection
Choose the TimberTech collection, color, railing system, and features.
Permit Acquisition
We handle all required building permits and inspections.
Professional Construction
- Proper foundation (concrete footings below the frost line).
- Pressure-treated framing (TimberTech approved).
- Precise board installation with hidden fasteners.
- Structural integrity at every step.
- Professional railing system installation.
- Integrated lighting and feature installation.
Final Inspection
We ensure every detail meets code and your expectations.
Warranty Registration
We register your TimberTech warranty.
Care Instructions
Minimal maintenance guidance for long-lasting beauty.
Deck Design Ideas
Small Space Decks
- Efficient use of compact yards.
- Built-in TimberTech seating maximizes space.
- Multi-functional designs.
Large Entertainment Decks
- Multiple zones (dining, lounging, cooking).
- Built-in bars and outdoor kitchens.
- Fire pit or fireplace areas.
- Hot tub integration with TimberTech AZEK (best for moisture).
Pool Decks
- TimberTech AZEK (won't absorb water).
- Slip-resistant surfaces.
- Integrated pool equipment access.
- Lounge areas and shade structures.
Raised Decks
- Maximize scenic views.
- Create elevated outdoor rooms.
- Under-deck storage or patio space.
Screened Porch Conversions
- Extend deck season (bug protection).
- Three-season room additions.
- Comfortable outdoor living.
Deck Permits and Code Compliance
We handle all aspects of deck permitting and ensure your project meets Wisconsin and Minnesota building codes:
- Proper foundation depth (below frost line – 48" in Wisconsin).
- Correct post spacing and beam sizing per TimberTech specifications.
- Code-compliant railing height (36-42 inches depending on deck height).
- Proper baluster spacing (no more than 4 inches).
- Ledger board attachment (proper flashing and fasteners to prevent water damage).
- Stairs built to code (rise and run specifications).
- All inspections are scheduled and passed.
- TimberTech installation standards are followed for warranty compliance.
TimberTech vs. Wood Deck Investment Comparison
20-Year Cost Analysis
TimberTech Composite Deck
- Initial cost: $$$$ (higher upfront).
- Annual maintenance: $0.
- Staining/sealing: $0.
- Repairs: Minimal.
- 20-year total cost: Initial investment only.
- Warranty: 25-30 years.
- Total 20-year cost: Lower
Pressure-Treated Wood Deck
- Initial cost: $$ (lower upfront).
- Annual maintenance: $300-600 (staining/sealing every 2-3 years).
- Repairs: $200-500 per year on average.
- Board replacement: $1,000-3,000 over 20 years.
- 20-year total cost: Initial + $10,000-15,000 in maintenance.
- Warranty: None (material only).
- Total 20-year cost: Higher.
The Value Proposition
While TimberTech has a higher initial investment, the zero maintenance costs over 20+ years make it the more economical choice for most homeowners—plus, you gain back hundreds of hours of your time never having to stain or seal your deck again.
Extensive Deck Service Areas Across Western Wisconsin
We proudly serve homeowners throughout a wide service area, typically within 1.5 hours of La Crosse.
For larger custom deck projects, we're happy to travel beyond our typical service area. Contact us to discuss your location.
Ready To Create Your Outdoor Retreat?
Get your free TimberTech deck or patio estimate today.
Serving 30+ communities across Western Wisconsin and Southeastern Minnesota.
