Under-Deck Systems
Dry, Usable Under-Deck Space
Waterproof drainage systems, finished ceilings, and custom storage solutions.
Serving Spokane, Coeur d’Alene, and the entire Inland Northwest.
Double Your Outdoor Living Area
Turn the area beneath your deck into a dry zone for seating, storage, or a hot tub. We install drainage systems and finished ceilings that keep water away and make the space feel intentional.
- Stay dry: Channel water safely away.
- Finished look: Clean soffits, lighting, and trim.
- Smart storage: Built-ins that keep gear out of sight.
Built by Specialists
When you partner with us, you're guaranteed a professional experience from start to finish.
- Premium Materials.
- We exclusively use high-performance materials from trusted brands like Trex® and TimberTech®.
- Licensed & Insured.
- Full liability coverage and proper licensing provide complete peace of mind for your project.
- 5-Year Warranty.
- We stand behind our work with a comprehensive 5-year workmanship warranty on every project.
Why Choose Alpine Decks
Our Under-Deck Solutions
- Drainage Systems
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Panels and gutters that protect the area below.
- Finished Ceilings
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Soffits with lighting and access panels.
- Integrated Storage
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Lockers, doors, and screened areas that blend in.
Visual Proof
Recent Under-Deck Projects
“We gained an entire covered hangout area—no more rainouts.”
Related Services
We handle every aspect of your outdoor living project, from core construction to the finishing touches.
Under-Deck System FAQs
Can this be added to an existing deck?
Often yes, with proper slope and access. We’ll inspect framing and ledger first.
Will it trap moisture?
We build for airflow and serviceability to protect framing.
Can I add lighting or fans?
Yes. Finished ceilings commonly include recessed lights and fan boxes.
Get a Free Under-Deck Estimate
Tell us a bit about your project and we’ll follow up quickly.