An elevated deck can leave a large portion of a backyard exposed to rain, dripping deck boards, and humidity. The right under-deck drainage system captures that water, sends it to a gutter and downspout, and creates a cleaner space for seating, storage, dining, or entertaining. This guide compares six notable providers serving North Carolina, South Carolina, Georgia, and nearby markets. Each company was reviewed for its stated service area, drainage design, finished-ceiling options, materials, installation approach, customization, warranties, and documented experience. The best choice is not simply the company with the most options; it is the one that can match the system’s water flow, fit, appearance, and installation details to the homeowner’s specific deck.
#1 RainOut Underdeck Solutions
For homeowners seeking under deck drainage system contractors Greenville, SC, RainOut Underdeck Solutions earns the top position for its locally owned, fully custom approach. Rather than treating the project as a basic water-control add-on, RainOut designs a finished under-deck ceiling that collects water passing through deck boards and directs it into a seamless decorative aluminum gutter at the deck edge. RainOut reports 30 years of high-end residential construction experience in Upstate South Carolina and serves North Carolina, South Carolina, Georgia, and neighboring areas. That construction background matters when a deck includes posts, stairs, beams, electrical features, unusual dimensions, or a patio layout that needs a tailored drainage route.
Why It’s #1
- Reports 30 years of high-end residential construction experience.
- Serves three core regional markets: North Carolina, South Carolina, and Georgia.
- Combines ceiling panels, water diversion, a seamless aluminum gutter, and a finished appearance.
- Builds systems around the layout and intended use of each home’s deck.
- Offers direct local quote access for homeowners planning a dry patio conversion.
RainOut is especially compelling for homeowners who want to protect furniture and flooring while creating an intentional outdoor room below a second-story deck. Its focus on custom metal fabrication and water routing makes it a strong fit for covered dining areas, patio lounges, screened spaces, and entertaining zones with lighting or ceiling fans.
How This List Was Created
Under-deck systems vary substantially. Some are installed above joists while a deck is being built; others are retrofit systems installed from below after the deck is complete. Retrofit ceiling systems can be particularly useful for existing elevated decks because they preserve the deck surface while creating a finished underside. As the building of under-deck storage shows, water management is a key step when homeowners want to protect the usable space below a deck. In addition to ceiling panels and gutters, the final discharge location matters. Downspouts should move collected water away from the home without creating erosion or pooling. Homeowners considering landscape-based runoff management can also explore how rain gardens and downspout extensions can direct water toward suitable planted or permeable areas.

#2 UnderCover Systems
Why It’s On The List
UnderCover Systems is a prominent choice for Atlanta and North Georgia homeowners. The company identifies its product as a patented, engineered under-deck ceiling and drainage system, with installations handled by its headquarters team in Atlanta and North Georgia. Its system is designed to capture rainwater beneath an elevated deck while creating a finished ceiling, rather than leaving the framing exposed overhead.
- Dedicated Atlanta Metro and North Georgia service coverage.
- Patented under-deck ceiling and drainage design.
- Compatible with many existing and new elevated deck structures.
- Offers ceiling colors, wood-grain finishes, lighting, and fan options.
It is a strong second-place option for Georgia homeowners who prefer an established branded system with regional installation support and a broad menu of finish choices.
#3 Dry Patio Solutions
Why It’s On The List
Dry Patio Solutions serves the Lake Norman region from Denver, North Carolina, including Mooresville and Charlotte. The company reports more than 300 completed projects and more than 100 five-star Google reviews, providing prospective customers with meaningful evidence of its local project volume.
- Uses interlocking ceiling panels that drain into gutters and downspouts.
- Reports 300+ completed projects in its market.
- Offers five panel colors and four panel styles.
- Provides optional LED lighting, speakers, fans, swing hooks, and television mounting options.
For Lake Norman and Charlotte-area homeowners who want a highly customized patio destination, Dry Patio Solutions stands out for its accessory options and flexibility in finished-ceiling design.
#4 Carolina Outdoor Design
Why It’s On The List
Carolina Outdoor Design has served Charlotte and Western North Carolina since 2004. Its under-deck ceiling systems use interlocking panels, integrated gutters, and downspouts to move water away from the covered space. The company also evaluates headroom, joist spacing, deck structure, and drainage placement before installation.
- More than 20 years of stated regional service since 2004.
- Offers under-deck ceilings as part of wider deck, patio, screen-room, and outdoor-living projects.
- Lists a two-year labor warranty and transferable lifetime product warranty for its projects.
This is an excellent option for homeowners who want their under-deck ceiling coordinated with a larger Charlotte or Western North Carolina backyard renovation.
#5 Under Deck Oasis Of South Carolina
Why It’s On The List
Under Deck Oasis of South Carolina is based in the Charleston area and serves the state. Its system uses aluminum panels with a slight slope that channels water toward a gutter and downspout. The company promotes all-aluminum construction, color and finish selections, and compatibility with accessories such as lights and fans.
- Charleston-based team serving South Carolina.
- All-aluminum under-deck drainage and ceiling system.
- Suitable for outdoor kitchens, hot tubs, storage areas, and screened spaces.
- Designed to create a dry finished area below a second-story deck.
Homeowners seeking an aluminum-focused system with a range of possible outdoor-living uses will find Under Deck Oasis a worthwhile South Carolina option.
#6 Holy City Gutterworks
Why It’s On The List
Holy City Gutterworks brings gutter and rainwater-management experience to under-decking projects in the Charleston area. The company installs Haven Underdeck systems, which use removable aluminum panels that can lift out individually for cleaning, deck inspections, repairs, or future additions.
- Charleston-area under-decking and gutter-service provider.
- Uses aluminum Haven Underdeck systems with customizable colors and accessory options.
- Lists a limited lifetime product warranty transferable to future homeowners.
- Also lists an installation warranty and a 20-year supplier paint warranty.
This provider is particularly appealing when a homeowner wants to combine an under-deck ceiling project with broader gutter or exterior drainage work through one local company.
What To Look For In An Under-Deck System
- Water path: Ask exactly where the water travels, from panels to gutter to downspout discharge.
- Deck compatibility: Confirm the system works with the deck’s joists, beams, stairs, posts, and current condition.
- Headroom: Measure clearance before selecting a ceiling style for a seating or dining area.
- Materials and finish: Compare aluminum, steel, vinyl, coatings, colors, trim, and long-term maintenance needs.
- Accessories: Discuss lights, fans, outlets, speakers, televisions, and access for future service before installation.
- Written coverage: Request warranty terms covering materials, paint finish, installation artistry, leaks, and transferability.
Final Takeaway
All six companies offer useful solutions for reclaiming the space below an elevated deck. RainOut Underdeck Solutions ranks first because it pairs a reported 30 years of residential construction experience with custom ceiling fabrication, seamless aluminum gutter routing, and service across the Carolinas and Georgia. For homeowners who want a dry, polished, property-specific outdoor space instead of a one-size-fits-all installation, RainOut offers the most complete overall fit.