More Space. Better Materials. Same Foundation.
Deck Extensions & Re-Decking in Montana
Save the Frame Upgrade Everything Else
What Re-Decking Involves and When It Makes Sense
Re-decking replaces your old surface boards while keeping the existing frame intact if it passes inspection. We start by assessing your deck's joists, fasteners, and footings. If it’s structurally sound, we remove the old decking, make minor framing fixes, and install new wood or composite boards. It’s a cost-effective way to get a like-new look and feel without full demolition. Ideal for Montana homes with aging cedar, pressure-treated, or outdated composite decks.
More Room to Relax, Host, or Add Value
Why Extend Instead of Rebuild
If your deck is too small or no longer fits your lifestyle, an extension is often the best solution. We design seamless add-ons that match your existing layout, elevation, and materials. Whether you need more room for dining, a new stair landing, or extra space for a hot tub, we build additions that look original not tacked on. Montana homeowners love this option for growing families, entertaining, or prepping a home for resale.
Seamless additions to match current deck
Options for wraparound or L-shaped layouts
Ideal for sloped yards and walkouts
Cost-Smart, Code-Safe, Montana-Strong
How We Reinforce & Upgrade as We Go
Deck upgrades aren’t just cosmetic we make sure every bolt and bracket meets modern code. When we extend or re-deck, we often reinforce the frame, replace outdated hardware, and adjust footings to support new loads. That means better safety and performance without needing to start from scratch. And with options like composite re-decking, your new surface can last 25+ years with minimal upkeep.
Re-Deck with Cedar, Composite, or Pressure-Treated
Material Options That Match Your Budget and Style
We offer a full range of re-decking surfaces from natural cedar and pressure-treated pine to modern composites like Trex and TimberTech. Want the warmth of wood? We’ll help you choose the right species and finish. Prefer low-maintenance living? Composite delivers lasting color with no sanding or sealing. Whatever your goals, we install clean, code-compliant surfaces that blend seamlessly with existing structures.
Less Disruption. Faster Results.
Why Montana Homeowners Choose Re-Decking
Re-decking and extensions are fast, cost-effective ways to improve your outdoor space. Most projects take just a few days and require minimal demolition. You keep the original deck footprint or expand it without a full tear-out. Our Montana-based crews manage the entire process, from structural review and permitting to cleanup. You get a better deck, built on the bones of the one you already love.
Why Montana Homeowners Choose Us for Re-Decking
Structural Assessments Included: We inspect before we build—safety always comes first.
Matched Materials: We blend new and existing elements for a seamless finish.
Cost-Effective Upgrades: Save thousands vs. a full tear-down and rebuild.
Code-Compliant Repairs: Reinforcements and fasteners brought up to modern standards.
Fast Project Turnarounds: Most extensions and re-decks completed in just a few days.
Don't worry, we can help!
New Life for the Deck You Already Own
If your deck is tired, dated, or undersized, re-decking or expanding might be the perfect solution. Our crews have upgraded hundreds of Montana decks without full replacement—saving time and money while improving safety and curb appeal. From materials to permits, we take care of everything so you can enjoy your new space sooner.
Great option for aging cedar or pressure-treated decks
Composite re-decking improves longevity and looks
Extensions add function without major construction
Built to Handle Montana’s Loads, Codes & Climate
Smart Extensions That Stand the Test of Time
Montana weather is tough on decks—especially older builds. That’s why we don’t just “add on.” We reinforce every new section to handle snow load, wind pressure, and seasonal movement. We match or upgrade footings, update hardware, and anchor frames using approved methods. Whether we’re tying into an existing deck or refreshing the surface, our work is done to last.
Upgrade Without Starting Over
Montana Deck Extensions & Re-Decking FAQs
Here’s what homeowners across Montana ask most about expanding or re-surfacing their decks:
Can I keep my old frame and just replace the boards?
Yes if the frame passes inspection. We’ll check it first and recommend any reinforcements.
How do you match new materials to the old deck?
We source stains, textures, and board sizes that align with your existing style—or recommend full upgrades for a fresh start.
Is a permit required for extensions?
Usually, yes. We handle all permitting for size increases, structural changes, or code upgrades.
Can you add stairs or landings to an existing deck?
Absolutely. We add stairs, landings, and railings that meet code and integrate cleanly with your current setup.
Areas We Serve Throughout Montana
Choose the city closest to you!
Deck Extensions Are Just the Beginning
Explore All Our Outdoor Living Services
Deck Design & Construction
We design and build custom decks tailored to your home, lifestyle, and outdoor space—built for comfort, code, and long-term value.
Composite Deck Installation
Durable, low-maintenance decking in brands like Trex and TimberTech. We install with expert framing and clean finishes.
Wood Deck Building
Traditional wood decks built from cedar or pressure-treated lumber, sealed for longevity and built with care.
Deck Repair & Structural Reinforcement
We replace rotted joists, tighten loose rails, and restore sagging stairs—bringing your deck back to safe, usable shape.
Deck Restoration & Refinishing
We clean, sand, and seal old decks to restore natural color and extend the life of your outdoor space.
Multi-Level Deck Construction
Tiered decks add dimension and function. We build secure, attractive multi-level systems with unified stairs and rails.
Deck Extensions & Re-Decking
We extend existing decks or replace worn boards with modern composite or sealed wood—saving the foundation when possible.
Covered Decks & Patio Roofs
From pergola-style shade to full patio roofs, we protect your deck space from rain, sun, and snow with stylish coverage.
Screened-In Porches & Sunrooms
Enjoy fresh air without the bugs. We build screened rooms and glass-walled sunrooms for relaxing in all weather.
Outdoor Kitchens & Grilling Stations
We build grilling areas, outdoor sinks, and kitchen setups into decks—complete with fire-safe materials and smart layout.
Pergolas, Gazebos & Arbors
Add architectural charm and functional shade with custom pergolas, gazebos, or arbors—built freestanding or integrated.
Pool Deck & Hot Tub Surrounds
Slip-resistant, water-safe decks designed to wrap hot tubs or pool edges with beauty and durability.
Detached Garages & Sheds
We construct code-compliant outbuildings including garages, workshops, and storage sheds with matching exterior finishes.
Custom Deck Railings & Stairs
We fabricate and install deck railings and stairs to match your design goals and meet local safety codes.
Commercial Deck Projects (Restaurants, Rooftops, etc.)
From rooftop lounges to restaurant patios, we build commercial-grade decks that handle heavy use and meet ADA compliance.
Innovation
Fresh, creative solutions.
Integrity
Honesty and transparency.
Excellence
Top-notch services.
Ready to Build? Let’s Talk Decks
Whether you're looking to add a sun-soaked patio, rebuild a storm-damaged deck, or design a multi-level masterpiece, we’re ready to help. Alliance Deck Builders of Montana brings expertise, materials, and trust to every job no matter the size. Contact us today to schedule your free consultation and let’s bring your outdoor vision to life.
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