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Composite Deck Installation
Custom composite decks with rich wood-like finishes, superior durability, and minimal upkeep for busy homeowners.
Composite & PVC Specialists
Beautiful decks built to last in Madison
Capitol Deck builds premium composite and PVC decks in Madison, Wisconsin. Custom outdoor living spaces designed for durability, beauty, and low maintenance.
Low-maintenance composite and PVC decking designed for Wisconsin weather, year-round entertaining, and long-term value.
Our Services
Outdoor living spaces tailored to your home
From design consultation to final walkthrough, Capitol Deck delivers craftsmanship focused on function, safety, and curb appeal.
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PVC Deck Systems
Moisture-resistant PVC decking ideal for Wisconsin seasons, offering clean lines and lasting performance.
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Deck Replacement
Upgrade worn wood decks with modern composite or PVC materials that resist rot, splintering, and fading.
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Railings & Finishing
Coordinated railings, lighting, and trim details that complete your outdoor living space with a polished look.
Materials
Composite and PVC decking options
We focus on premium low-maintenance materials that look great today and perform for years in Madison's climate.
Composite Decking
- Natural wood appearance without annual staining
- Resists splintering, rot, and insect damage
- Available in multiple colors and board profiles
PVC Decking
- Excellent moisture resistance for snowy winters
- Easy to clean with soap and water
- Ideal for shaded or high-moisture areas
Built for Wisconsin
- Materials selected for freeze-thaw cycles
- Secure fastening systems for long-term stability
- Designed for outdoor entertaining all season
Why Capitol Deck
A trusted partner for your outdoor upgrade
Whether you are replacing an old wood deck or building a new outdoor retreat, we make the process simple and professional.
Local Madison Expertise
We understand local building conditions and design decks that fit Wisconsin homes and lifestyles.
Quality Craftsmanship
Precise framing, clean finishes, and attention to detail on every composite and PVC project.
Clear Communication
Straightforward timelines, transparent recommendations, and responsive support from start to finish.
Homeowner Focused
We listen first, then recommend the right material and layout for how you want to use your deck.
Contact
Start your deck project today
Tell us about your space and we will follow up with recommendations for composite or PVC decking options.
Visit our office
2890 Terra Ct, Unit 35, Sun Prairie, WI 53590