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Custom Deck Builders

St Croix County's Premier Composite & PVC Deck Builder

Custom-designed, low-maintenance composite and PVC decks for St Croix County, Wisconsin homeowners. Certified Trex and TimberTech AZEK installer. Free on-site estimates.

Serving St Croix County, Wisconsin since 2001 • Licensed & Insured
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Composite deck in a beautiful outdoor setting by Weatherguard Construction
Decks project by Weatherguard Construction in St Croix County, Wisconsin

Homeowners across St Croix County, Wisconsin are replacing aging wood decks with premium composite and PVC alternatives — and for good reason. The pressure-treated lumber on most Wisconsin decks lasts 10–15 years before rot, insects, and moisture compromise the structural integrity. By year 12, most wood decks have soft spots, wobbly railings, and deteriorating stair stringers that make them unsafe for your family.

Weatherguard Construction builds decks differently. We start with Owens Corning structural lumber for the three components that fail first: the ledger board (where the deck attaches to your house), posts, and stair stringers. OC Lumber is rotproof, rustproof, and rated for underwater contact — engineered to protect against what wood and steel simply cannot. Combined with proper frost-depth footings and code-compliant ledger flashing, our structural approach eliminates the #1 cause of deck failure in the Midwest. Want the ultimate build? Ask about upgrading your entire deck frame to OC Lumber.

With average winter lows dipping below -10°F and summer highs regularly exceeding 90°F, Minnesota decking materials must withstand a temperature range of over 100 degrees annually. Add heavy snow loads, spring ice melt, and summer storm damage to the equation, and it becomes clear why material selection matters more here than almost anywhere else in the country.

From multi-level entertainment decks with integrated lighting and privacy walls to simple platform decks that connect your home to your backyard, Weatherguard handles every step — permits, footings, framing, decking, railing, and final cleanup.

Composite vs. PVC Decking: Choosing the Right Material for Your St Croix County Deck

Both composite and PVC deliver far superior performance to wood, but they have distinct characteristics that make each better suited to different situations. Here is an honest comparison to help you decide:

FeatureComposite DeckingPVC Decking
CompositionWood fibers + recycled plastic100% engineered polymer
Moisture ResistanceExcellent (capped shell protection)Superior (zero moisture absorption)
WeightHeavier (similar to wood)Lighter (easier to handle)
Heat RetentionModerate (can get warm in direct sun)Lower (stays cooler underfoot)
Scratch ResistanceVery goodExcellent
Price Range$$ to $$$$$$ to $$$$
Best Warranty25-year to Limited LifetimeLimited Lifetime + 50-year fade/stain
Ideal ForBudget-conscious upgrades, ground-level decksHigh-traffic areas, pool decks, maximum longevity

Our recommendation? If your budget allows, PVC decking provides the ultimate in low-maintenance performance and longevity. If you want an exceptional deck at a lower investment, composite delivers outstanding value and will dramatically outperform any wood deck. Either way, you are making a smart upgrade over traditional lumber.

Composite Decking: The Smart Choice for St Croix County Homeowners

Composite decking blends recycled wood fibers with high-density polyethylene plastic, creating a board that mimics the warmth of natural hardwood while resisting the rot, insects, and weather damage that destroy traditional lumber. For St Croix County homes facing sub-zero temperatures, heavy snowfall, and persistent ice accumulation, composite decking delivers decades of reliable performance without the annual chore of sanding, staining, or sealing.

Trex — America's Most Trusted Composite Brand

As a certified Trex installer, Weatherguard offers the full Trex lineup to St Croix County homeowners:

Every Trex board is manufactured from 95% recycled materials — including reclaimed wood and polyethylene film — making it one of the most environmentally responsible decking choices available. Trex boards will never need sanding, staining, or painting, and they resist fading, staining, scratching, and mold better than any wood species on the market.

Fiberon — Performance Meets Sustainability

Fiberon composite decking combines sustainability with striking aesthetics. Their capped composite technology wraps each board in a protective polymer shell that locks out moisture and resists fading, staining, and scratches. Popular collections include:

Fiberon boards are manufactured in the USA using up to 94% recycled content and carry a 25-year structural warranty along with comprehensive fade and stain coverage.

PVC Decking: Ultimate Durability for Wisconsin Weather

PVC (polyvinyl chloride) decking represents the pinnacle of low-maintenance outdoor living technology. Unlike composite — which contains wood fibers — PVC boards are made entirely from engineered polymer, making them completely impervious to moisture absorption. For St Croix County homes subjected to sub-zero temperatures, heavy snowfall, and persistent ice accumulation, PVC decking eliminates any risk of swelling, warping, or rot caused by trapped moisture freezing inside the board.

TimberTech AZEK — The Industry's Gold Standard in PVC

Weatherguard is a certified TimberTech installer, giving St Croix County homeowners access to the complete AZEK Advanced PVC lineup with enhanced warranty coverage:

All TimberTech AZEK boards are manufactured from recycled materials in the USA, carry a Limited Lifetime structural warranty, and feature Alloy Armour Technology that resists scratching, staining, and UV fading far beyond what composite materials can achieve.

Wolf Decking — Engineered for Extreme Conditions

Wolf Home Products offers PVC and composite decking lines specifically engineered for harsh climates like Wisconsin's:

Deck Styles and Configurations for Every St Croix County Property

No two St Croix County backyards are identical, and neither should their decks be. Weatherguard designs and builds custom deck configurations tailored to your property's topography, your home's architecture, and the way your family actually uses outdoor space. Here are the most popular deck styles we build across Wisconsin:

Understanding Deck Warranties: What St Croix County Homeowners Should Know

Not all deck warranties are created equal, and understanding the differences can save you thousands of dollars and decades of frustration. Here is a breakdown of the warranty coverage available through Weatherguard's manufacturer partnerships:

Structural Warranties

These cover the core integrity of the decking board — resistance to splitting, cracking, rotting, and structural failure under normal use. Premium products like TimberTech AZEK and Trex Transcend carry Limited Lifetime structural warranties, meaning the boards are warranted against structural defects for as long as you own your home.

Fade and Stain Warranties

This is where cheap decking gets exposed. Budget products may carry a 10-year fade warranty, but premium lines from TimberTech AZEK provide a 50-year fade and stain warranty — guaranteeing your deck's color and finish will remain vibrant for half a century. Trex Transcend products also carry a 50-year warranty against fading and food stains.

Labor and Workmanship Warranties

Materials are only part of the equation. A poorly installed deck will fail regardless of board quality. Weatherguard's craftsmanship warranty covers our installation work — including joist connections, fastener patterns, railing attachments, and structural connections — giving you complete peace of mind.

Our St Croix County design consultants walk you through every warranty detail during your estimate appointment so you understand exactly what protection your investment carries before you commit.

Deck Maintenance in Wisconsin: What You Actually Need To Do

One of the biggest advantages of composite and PVC decking is the near-total elimination of maintenance headaches. Unlike wood decks that demand annual staining, sealing, sanding, and board replacement, your Weatherguard composite or PVC deck requires only minimal care:

That is it. No sanding. No staining. No sealing. No replacing warped or rotted boards. Just enjoy your deck, season after season, while your neighbors spend their weekends maintaining theirs.

Built for Wisconsin Weather: How Our Decks Handle Wisconsin's Extreme Climate

With average winter lows dipping below -10°F and summer highs regularly exceeding 90°F, Minnesota decking materials must withstand a temperature range of over 100 degrees annually. Add heavy snow loads, spring ice melt, and summer storm damage to the equation, and it becomes clear why material selection matters more here than almost anywhere else in the country.

Here is how the materials we install are specifically engineered to handle these challenges:

The Weatherguard Deck Building Process in St Croix County

We have refined our deck building process over hundreds of successful projects to deliver a stress-free experience from first call to final walkthrough:

  1. Complimentary Design Consultation: We visit your St Croix County property, take measurements, discuss your goals and budget, review material options, and identify any site-specific considerations like drainage, grading, utilities, or setback requirements.
  2. Custom Design and Proposal: Within days, you receive a detailed proposal that includes a material specification sheet, dimensional drawings, color and railing selections, permit requirements, project timeline, and a fixed-price quote.
  3. Permitting and Engineering: We submit all required permit applications to your local St Croix County building authority, coordinate any necessary engineering reviews, and schedule inspections — so you never have to deal with the paperwork.
  4. Demo and Site Preparation: If you have an existing deck, our crew carefully removes it, salvages any reusable hardware, and disposes of all debris responsibly. We then prepare the site for new footings and structural work.
  5. Foundation and Framing: Using helical piers, diamond piers, or poured concrete footings — depending on your soil conditions and local code requirements — we build a rock-solid structural foundation designed to last a lifetime.
  6. Decking, Railing, and Finish Work: Your selected composite or PVC boards are installed with hidden fasteners for a clean, screw-free surface. Railings, lighting, skirting, and other enhancements are completed to manufacturer specifications.
  7. Final Inspection and Walkthrough: We schedule the required building inspection, walk you through your completed deck, explain care and maintenance (hint: there is barely any), and make sure every detail meets your expectations before we consider the project complete.

Structural Integrity: Why Most St Croix County Decks Fail — And How We Prevent It

The most expensive part of your deck isn't the surface boards — it's the structural framing underneath. And it's the part that most contractors cut corners on. Standard pressure-treated lumber starts absorbing moisture and deteriorating the moment it's installed. In Wisconsin, where sub-zero temperatures, heavy snowfall, and persistent ice accumulation create relentless freeze-thaw cycles, that process accelerates dramatically. Within 10–15 years, the ledger board, posts, and stair stringers on a typical St Croix County deck are soft, splitting, and structurally compromised.

The Three Points of Failure — And How OC Lumber Solves Them

Why Owens Corning Structural Lumber?

OC Lumber is engineered to protect against what wood and steel simply cannot. Rotproof, rustproof, and rated for underwater contact in both fresh and salt water. Designed to install like the lumber you use every day — same tools, same trade, same practices. Made to last. We don't offer this as an upgrade or an add-on — it's our standard for every ledger board, post, and stair stringer we install in St Croix County and across Wisconsin.

Optional Upgrade: Full OC Lumber Framing

For homeowners who want the ultimate structural package, Weatherguard offers a full OC Lumber frame upgrade — every joist, beam, rim board, and blocking piece in Owens Corning structural lumber. While our standard build uses OC Lumber for the three components that fail first, a full OC Lumber frame means every piece of structural wood in your deck is rotproof, rustproof, and rated for underwater contact. Combined with properly engineered frost-depth footings and code-compliant ledger connections, our structural approach gives you a deck that will perform for decades, not just years.

Browse 89 Deck Board Colors — Visual Color Swatch Gallery

Choosing the right deck color is one of the most exciting parts of your St Croix County deck project. Weatherguard offers 89 premium deck board colors across 20 collections from TimberTech AZEK Advanced PVC (Vintage, Landmark, Harvest+, Harvest), TimberTech Composite (Legacy, Reserve, Terrain+, Terrain, Prime+, Premier+, Premier), Trex (Signature, Transcend Lineage, Transcend, Select, Enhance, Refuge), and Wolf (Serenity, Haven, Perspective). Scroll through our interactive color swatch gallery above — with authentic product photos from all three manufacturers — to explore every option, from the luxury of Trex Signature Whidbey to the heat-mitigating Trex Transcend Lineage Biscayne, the ultra-premium warmth of TimberTech AZEK Vintage Dark Hickory, the hand-scraped artistry of Legacy Tigerwood, the bold Wolf Serenity Onyx, or the budget-friendly Trex Enhance Foggy Wharf. Every color is available for your custom St Croix County deck project, and we encourage you to request free physical samples to compare in your home's lighting and alongside your siding, trim, and landscape.

Our St Croix County design consultants will bring color samples to your property so you can see exactly how each board looks against your home's exterior. Popular color pairings include warm-toned boards (Mahogany, English Walnut, Wolf Serenity Amberwood, Reserve Antique Leather) with black aluminum railing for a classic contrast, or cool-toned boards (Coastline, Harbor Grey, Island Mist, Wolf Serenity Driftwood Grey) with white composite railing for a coastal aesthetic. Wolf's Perspective line — made from 94% recycled content — is an eco-conscious choice with industry-leading strength, while TimberTech's Terrain and Prime+ lines deliver authentic wood aesthetics with 25-year warranties at price points accessible to most budgets.

The Weatherguard Difference

Why St Croix County, Wisconsin Homeowners Choose Weatherguard

Family-Owned Since 2001

Two decades of honest, reliable craftsmanship. Personal accountability on every project.

Licensed & Insured

Fully licensed, bonded, and insured. MN LIC. #BC282484. Complete protection.

Top 1% of Contractors

Owens Corning Platinum Preferred. Industry-leading warranties and workmanship.

Free, No-Pressure Estimates

Transparent pricing with no hidden fees. Honest recommendations, no sales pressure.

Get Your Free Decks Estimate in St Croix County

Ready to start your project? Contact Weatherguard Construction for a free, no-obligation estimate with transparent pricing.

Schedule Free Estimate Call (651) 439-4320
FAQ

Common Questions About Decks in St Croix County

1 How much does a composite deck cost in St Croix County, Wisconsin?
Composite deck costs in St Croix County typically range from $45 to $85 per square foot installed, depending on the material tier, deck configuration, railing selections, and site conditions. A standard 300 square foot deck generally falls between $13,500 and $25,500, while larger multi-level designs with premium features can range from $35,000 to $65,000 or more. Weatherguard provides free, itemized estimates so you see exactly where every dollar goes — no hidden fees or surprise charges.
2 What is the difference between composite and PVC decking?
Composite decking is made from a blend of recycled wood fibers and plastic, wrapped in a protective polymer cap. PVC decking is made entirely from engineered polymer with zero wood content. PVC offers superior moisture resistance (it absorbs literally zero water), stays cooler underfoot, and typically carries stronger warranties — including 50-year fade and stain protection from brands like TimberTech AZEK. Composite is generally more affordable and provides excellent performance for most residential applications.
3 Does Weatherguard build decks during Wisconsin winters?
Yes. Weatherguard builds decks year-round in Wisconsin, including during winter months. Composite and PVC materials perform well in cold-weather installation — unlike wood, which can be brittle and difficult to fasten in freezing temperatures. Winter building often offers shorter lead times and allows you to have a brand new deck ready for spring entertaining. We take appropriate precautions for frozen ground conditions when installing footings.
4 What are the signs my St Croix County deck needs to be replaced?
Key warning signs include: soft or spongy boards when you walk across them, wobbly or loose railings, visible rot at the ledger board (where the deck meets your house), cracked or split stair stringers, posts that feel soft at ground level, popped or loose fasteners, and significant structural bounce when multiple people walk on the deck. If your St Croix County deck is 15+ years old and built with standard pressure-treated lumber, a professional structural inspection is strongly recommended — the damage that matters most is often hidden inside the framing.
5 How does Weatherguard handle deck demolition and rebuilding in St Croix County?
Our full-service approach includes careful demolition of your existing deck, responsible disposal and recycling of old materials, inspection of the house rim joist and attachment points, installation of new frost-depth footings, framing with Owens Corning structural lumber for ledger boards, posts, and stair stringers, and final installation of your chosen composite or PVC decking and railing system. We handle permitting, inspections, and cleanup — you just enjoy the finished product.
6 Will a composite or PVC deck increase my St Croix County home's value?
According to industry data, a well-built composite deck recoups approximately 65-75% of its cost in added home value at resale — and often more in competitive Wisconsin markets where buyers prioritize low-maintenance outdoor living. Beyond the financial return, a beautiful deck significantly improves buyer appeal and can help your home sell faster. Unlike a wood deck that depreciates as it weathers, composite and PVC decks maintain their appearance and value for decades.
7 Can I add lighting, privacy walls, or a pergola to my deck later?
Yes, but we strongly recommend incorporating these features during initial construction whenever possible. Adding lighting, privacy walls, pergolas, or underdeck systems during the build is significantly more cost-effective than retrofitting later, because the framing can be designed to support these additions from the start. If you are considering these features even as a future possibility, mention it during your design consultation so we can plan the structural support now.
8 What is the best decking material for a pool deck in St Croix County?
PVC decking is the ideal choice for pool surrounds because it absorbs zero moisture, resists mold and mildew, stays cooler underfoot than composite, and will never splinter — a critical safety feature for barefoot use around water. TimberTech AZEK's Harvest and Landmark collections are particularly popular for pool applications. We also ensure proper drainage slope and spacing around your pool equipment.
9 Is composite decking slippery when wet?
Modern composite and PVC decking products feature textured, slip-resistant surfaces that provide excellent traction even when wet. Products like Trex Transcend and TimberTech AZEK are specifically engineered with embossed grain patterns that increase grip underfoot. That said, any smooth surface can become slippery when covered in ice or algae — which is why we recommend occasional cleaning and standard winter safety practices.
10 How long does it take Weatherguard to build a deck in St Croix County?
Most residential deck projects in St Croix County are completed within 3 to 10 business days of on-site construction, depending on the deck's size, complexity, and weather conditions. A straightforward platform or single-level deck can often be finished in under a week. Multi-level designs with pergolas, lighting, and custom railings may take 7 to 14 days. We provide a detailed construction timeline during your estimate appointment.
11 What deck brands does Weatherguard install in St Croix County?
Weatherguard is a certified installer for Trex (including Signature, Transcend Lineage, Transcend, Select, Enhance, and Refuge lines), TimberTech AZEK (Vintage, Landmark, Harvest+, and Harvest Advanced PVC collections), TimberTech Composite (Legacy, Reserve, Terrain+, Terrain, Prime+, Premier+, and Premier collections), Wolf (Serenity PVC, Haven composite, and Perspective composite), Fiberon (Concordia and Good Life composite), and Deckorators. Our manufacturer certifications ensure your deck qualifies for the strongest available warranty coverage.
12 Does Weatherguard offer financing for deck projects in St Croix County?
Yes. Weatherguard partners with trusted lending institutions to offer flexible financing options for St Croix County homeowners. We offer competitive interest rates, convenient monthly payment plans, and promotional financing options that can make your dream deck affordable on nearly any budget. Ask your project consultant about current financing promotions during your free estimate appointment.
13 Why does Weatherguard use Owens Corning structural lumber for deck framing?
The #1 cause of deck failure in Wisconsin is structural rot in the ledger board, posts, and stair stringers — the critical components that hold your entire deck up. OC Lumber is rotproof, rustproof, and rated for underwater contact — engineered to protect against what wood and steel simply cannot. We use it as our standard for ledger boards, posts, and stair stringers on every deck we build in St Croix County. For homeowners who want the ultimate structural package, we also offer a full OC Lumber frame upgrade.
14 How long does a composite or PVC deck last in Wisconsin?
Premium composite decks from manufacturers like Trex and Fiberon are engineered to last 25 to 30+ years with minimal maintenance. PVC decking from TimberTech AZEK and Wolf can last 50+ years, with Limited Lifetime structural warranties and 50-year fade and stain warranties backing that longevity claim. Compare that to a wood deck in Wisconsin, which typically needs significant repairs or full replacement within 10 to 15 years due to sub-zero temperatures, heavy snowfall, and persistent ice accumulation.
15 What footings does Weatherguard use for deck construction in St Croix County?
We use three primary footing systems depending on your site conditions and local code requirements: poured concrete footings (the traditional standard, excavated below Wisconsin's frost line), helical piers (steel screw-in piles that require no excavation and are ideal for tight-access sites), and diamond pier foundation systems (engineered precast blocks with steel pins). All footing systems are designed to prevent frost heave and provide a stable, level foundation for decades.

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