Premium Deck Drainage System

The most reliable deck drainage solution on the market, engineered from high‑grade aluminum with pre‑formed, pre‑sloped channels to protect and transform your outdoor space.

Lifetime warranty Lifetime warranty.

Transform Your Living Area

Unlock the hidden potential beneath your deck. Our system gives you the confidence to create a true outdoor oasis--complete with premium fixtures, sophisticated lighting, electrical wiring, and finishes.

No more worrying about weather damage. Install your dream outdoor entertainment area, elegant furniture, ambient lighting, and luxury accessories without hesitation. Your backyard deserves to be extraordinary.

Beautiful outdoor living space under deck.

Photo: Beautiful Outdoor Living Space Under Deck

People enjoying installed their outdoor area.

Photo of Installed Drainage Channels with outdoor accessories.

Excellence Meets Design

Pre‑formed and pre‑sloped for reliable drainange angles. No more error prone installs, improper tape installation causing water leakage, uneven trough slopes causing pooling. Our product delivers uncompromising worry‑free protection and flawless performance, season after season.

Premium Deck Drainage System

Illustration of how the channels are layed side by side

Precision-Engineered Protection

Our pre‑formed, pre‑sloped aluminum channels create a reliable barrier, keeping the space beneath your deck completely dry while safeguarding your investment from moisture. This isn't just drainage, it's carefree preservation.

Water is channeled away through the industry's best known material for longevity and high weather tolerance, ensuring your deck's structural integrity remains intact for life, not just years.

Installed drainage channels from below.

Illustration of the water being channeled through the system.

The Hidden Cost of Warranties

Let's be honest

Most product warranties sound reassuring until you actually need them. If you install a drainage system made from vinyl, polyethylene, or any of the synthetic materials on today's market, and it becomes brittle and cracks, or starts to leak, or the adhesive fails or there's a material defect.
Here's what typically happens: You'll need to prove the defect is due to manufacturing, ship the defective part back for inspection, and wait for approval. Even if everything checks out and the manufacturer accepts fault, they'll only refund the cost of the material itself.

The real expense?

Hiring a contractor to remove all your decking, rip out the defective system, install the replacement, and reinstall your deck boards. This process often causes additional problems: broken deck boards, compromised seals, and weeks of disruption to your outdoor space.

Why Our Warranty Is Different

Yes, our product comes with a lifetime warranty. But more importantly, it's engineered so you'll never need to use it.

We designed our product to withstand weather fluctuations. Our product won't brittle, crack, rust, or tear. It's pre‑formed and pre‑sloped, eliminating human error, water pooling, and installation complexity. Once installed, it's truly worry‑free.

Lifetime warranty

Our product is designed so you'll never need to use it.

ROI Calculator

Discover the true return on investment for protecting your deck structure, joists, and the space below from water damage. See how our drainage system preserves your deck investment and creates valuable outdoor living space.

Your Project Details

Total: 240 sq ft

Industry range: $25-50/sq ft installed

Value of concrete patio, outdoor furniture, or structures below deck. Enter $0 if nothing below.

Your Total ROI

0.0%

$0 net return

Investment Summary

Drainage System Cost $0
Total Benefits Over 5 Years $0
Net Gain $0

Protection & Value Created

Why Deck Drainage Protection Matters

Structural Protection

Water dripping through deck boards causes joists to rot, requiring expensive repairs. Without drainage, moisture could accumulate creating rot or habitat for unwanted pests, leading to premature failure, health, and safety hazards.

Space Creation

Transform wasted under-deck area into dry, usable outdoor living space. Protect patios, storage areas, or walkways below your deck from constant water exposure and create an additional functional outdoor room.

Long-Term Savings

Prevent foundation water damage, extend deck lifespan, and reduce maintenance costs. Foundation repairs from water infiltration can cost $2,000-12,000+, making drainage protection a smart preventive investment.

Why Homeowners Choose Our System

Superior materials, worry‑free installation, and unmatched durability--this is what premium looks like.

Worry‑free Installation

Installation redefined: drop the channels between joists, secure with screws, tape the seams--done. No complicated processes, no room for error. Just straightforward excellence.

Premium Aluminum Construction

Engineered from tough, weatherproof aluminum that sets a new standard for durability. While vinyl alternatives crack and fail, aluminum stands resilient against extreme temperatures and harsh weather--delivering true peace of mind.

Built for Life, Not Years

Deck repairs drain wallets—especially when you're tearing out decking and soffits. Our coated aluminum construction eliminates costly rework, standing strong against time and elements. Invest smart; choose longevity.

Exceptional Value

Prevent expensive joist repairs, extend your deck's lifespan, and create valuable outdoor living space. This isn't an expense--it's a high-return investment in your home and lifestyle.

Technical Specifications

Precision-engineered dimensions and materials designed for optimal performance.

  • Material: 0.032" coated aluminum for superior durability and weather resistance
  • Channel Width: Standard to fit 12 to 16" on center joist spacing
  • Tab Size: 0.75" tabs on each side for secure mounting
  • Available Lengths: 10 to 16 feet long (channels can be combined for extended coverage)
  • Shallow End: 1.5" depth for optimal water collection
  • Deep End: 4 to 6" depth, depending on length, ensures complete drainage even in heavy rainfall
  • Finish: Premium coating resists corrosion and UV damage
  • Installation: Compatible with all standard deck joist configurations

Get in touch.

Reach us and we’ll get back with you promptly.

souheil@mishlawi.com

(703) 851-0661