Why You Should Install a Deck Drainage System

Maxi Decks Protection • January 24, 2025

If you’re building a second-story deck, you may already know how much it can transform your outdoor living experience. But have you thought about what lies beneath? Installing a deck drainage system is a smart investment that takes your deck to the next level—literally and figuratively. This guide will walk you through what a deck drainage system is, why it’s useful, and how it can enhance your home.

What Is a Deck Drainage System?

A deck drainage system is installed under the deck boards of a second-story deck. Its purpose is to divert rainwater or snowmelt away using a network of troughs and downspouts that channel water into an efficient under deck gutter system.


This keeps the area below the deck dry and protected, allowing you to use it as additional functional space. 

Whether you’re envisioning a cozy outdoor lounge or practical storage space, an under deck waterproof system can unlock a whole new world of possibilities.

Why Should You Consider One?

Here are some compelling reasons homeowners opt for an under deck drainage system:


Expand Your Living Space: By keeping the area under your deck dry, you instantly double your outdoor living space. Think of the possibilities—add an under deck ceiling with fans, install lighting, or even set up an outdoor kitchen or entertainment area. A drainage system makes these upgrades possible.

Protect Your Investment: A decking drainage system prevents water damage that can lead to wood rot and structural issues. It adds longevity to both the deck and the spaces underneath.

Boost Home Value: The enhanced usability and aesthetic appeal of a deck with a drainage system can increase your home’s market value. Potential buyers will appreciate the added functionality and outdoor versatility.


Is It Hard to Install?

Installing a high-quality system, such as Maxi Decks Protection or similar products, is surprisingly straightforward. Many homeowners choose to DIY their under deck rain gutter system, while others hire professional deck builders for ease and efficiency. The installation process typically involves a few hours and basic tools. 


Before you choose a system, consider these factors:


  • Does the system require professional installation? 
  • Are the materials durable and reliable? 
  • Is it compatible with your deck's design? 


Our patented under-deck gutters system, at Maxi Deck Protection are favored for their ease of installation and durability, making them a popular choice among both homeowners and builders.

Maintenance Matters

One of the best things about a deck drainage system is that it’s low-maintenance. However, if your deck is located near trees, regular cleaning is essential to keep the under deck gutters clear of debris. 



Here’s a quick guide:


Regular Cleaning: Use a hose and broom to keep your gutters clear of leaves, dirt, and debris. Regularly cleaning your gutters prevents clogs, reduces the risk of water damage, and ensures proper drainage around your home.


Access Panels (for wooded areas): Install an access panel to allow easy and frequent cleaning, helping to maintain proper maintenance and prevent the buildup of dirt, debris, or other contaminants over time.

With just minimal effort, your system will stay in excellent condition for years to come.

What About Costs?

The cost of your drainage system will vary based on the materials and whether or not you hire a professional. Here’s what to consider:


Materials: Your deck drainage materials will depend on the size, design, and layout of your deck, as well as the type of drainage system you choose, such as an over-the-joist or under-the-joist system. Factors like climate, budget, and the intended use of the space beneath the deck can also influence your material selection.


Labor: Hiring a professional may slightly increase costs, but it can save you significant time, minimize stress, and ensure a high-quality installation. Professionals bring expertise and the right tools for the job, reducing the likelihood of errors and ensuring everything is done correctly the first time.


To get a more specific estimate for your project, check out an online cost estimator or reach out to our expert team at Maxi Decks Protection for pricing.

How to Get Started with Under-Deck Storage

Creating an effective under-deck storage area starts with waterproofing. Install a reliable under-deck drainage system by Maxi Decks Protection. This system sits on top of the deck joists (beneath the deck boards) and directs water away, ensuring the space underneath stays completely dry. Waterproofing is essential to prevent moisture damage and ensure long-term durability.


Once the drainage system is in place, you can add optional upgrades such as storage shelves, hooks, or even enclosed walls to customize the space to your specific needs.

Final Thoughts

Whether you’re looking to safeguard your deck against water damage or transform the space underneath into a functional retreat, an under deck drainage system is a game-changer. It protects your investment, expands your living space, and boosts your home’s value—all while maintaining a sleek and effective solution for water management. 

 

If you’re planning a two-story deck, be sure to include a drainage system in your plans. You’ll be amazed at the versatility and functionality of your new, dry outdoor space! 


Not sure where to start? Contact a local supplier or deck builder to discuss your options. With a wide range of systems available on the market, you’re sure to find the perfect fit for your home.

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