Collection: Under Deck Drainage

20 products

Benefits of Under-Deck Drainage Systems at AdvantageLumber.com

TimberTech® DrySpace™ Drainage System

  • Effective Water Management: Collects and channels moisture away from spaces between deck boards, keeping the under-deck area dry and protected from water damage.
  • Durable Construction: Made of solid extruded vinyl for maximum strength, durability, and weather resistance, ensuring long-term performance with minimal maintenance.
  • Enhanced Aesthetics: Off-white vinyl panels create a bright, finished ceiling look that integrates seamlessly with TimberTech and Trex decking, enhancing the visual appeal of the under-deck space.
  • Flexible Installation: Easily attaches to new or existing deck joists with a straightforward three-component interlocking system, ideal for second-story decks.
  • Increased Usable Space: Doubles outdoor living space by creating a dry, functional area for lounging, dining, or storage beneath the deck.

Zip-Up UnderDeck® Drainage System

  • Superior Moisture Protection: Interlocking PVC panels and main rails form a pitched, watertight ceiling that channels rainwater away, keeping the under-deck area dry.
  • Low-Maintenance Materials: Constructed from durable, weather-resistant PVC that resists rot, rust, and fading, requiring no painting or frequent upkeep.
  • Removable Panels: Features an accessible design with panels that can be easily unzipped for maintenance, cleaning, or access to joists without demolition.
  • Stylish and Versatile: Offers textured finishes (serrated or pebble) in multiple colors to match various aesthetics, suitable for both new and retrofit deck projects.
  • DIY-Friendly Installation: Snap-in design simplifies installation, making it efficient for homeowners or contractors to create a polished under-deck space.

Trex® RainEscape® Under-Deck Drainage System

  • Complete Moisture Protection: Uses a network of plastic troughs and downspouts to divert rain, snow, and spills, ensuring 100% protection of the deck substructure and creating a dry space below.
  • Enhanced Outdoor Living: Enables the addition of lighting, ceiling fans, and entertainment systems in the dry under-deck area, transforming it into a versatile living space.
  • Easy Installation: Requires minimal tools and can be installed quickly on 12" or 16" joist spacing, ideal for new deck builds with a 25-year warranty for peace of mind.
  • Structural Longevity: Protects joists and beams from moisture, extending the deck’s lifespan and holding screws in place longer for added durability.
  • Aesthetic Flexibility: Available in brown or black, allowing customization to complement the deck’s design while maintaining a sleek, hidden drainage system.

Each system offers unique advantages, making them ideal for transforming the space beneath your deck into a dry, stylish, and functional outdoor area.