When it comes to deck construction, the foundation is everything. The deck footing system is essential for your deck’s long-term durability and safety. Even the best decking materials without the right footings won’t withstand shifting soils, moisture, and time demands.
Deck footings serve as the structure’s anchor, evenly distributing the weight of the entire deck. In other words, without a solid footing system, everything else above ground is vulnerable. We focus on installing high-quality deck footings that balance durability, stability, and cost-effectiveness at Deck and Drive Solutions. With over 21 years of experience installing deck footing in the Des Moines Metro Area, we ensure your deck is built on a solid foundation that will stand the test of time.
Why Footings Matter:
Deck footings provide much more than a structural base. The proper footings distribute weight evenly, prevent shifting, and protect the deck from the natural elements.
1. Durability: How Footings Impact the Lifespan of Your Deck
Footings designed for your deck’s weight, soil conditions, and climate will ensure the structure lasts without frequent repairs.
For example, concrete footings are an excellent option. On the other hand, Sonotube footings, while reliable, may not last as long as concrete in certain conditions, but they are ideal for low-cost, ground-level decks.
Helical piles, which are made of steel, have an incredibly long lifespan, potentially lasting centuries if maintained correctly. These provide maximum durability, especially for unstable or shifting soil decks.
2. Safety: Why Proper Footings Are Essential
Poorly installed footings can cause shifting or settling, leading to structural issues, uneven surfaces, and even collapse. This puts both the deck and anyone using it at risk.
The correct footings will:
- Keep the deck level and prevent uneven settlement.
- Ensure stable and secure railings, steps, and flooring, which are vital for safe deck use.
- Support heavy loads safely, especially for multi-level decks or decks with additional features like hot tubs.
3. Functionality: Protecting Your Deck from the Elements
Deck footings protect the deck from moisture, temperature changes, and the forces of nature. Moisture is a key factor in wood decay and rusting of metal components. Properly installed footings keep the deck’s structure elevated and dry, minimizing the chances of water damage.
The proper footings protect against:
- Freeze-thaw cycles: Without proper footings below the frost line, your deck may shift during freezing and thawing.
- Water accumulation: Proper drainage and placement ensure that water doesn’t pool under the deck, which could lead to rot and rust over time.
Types of Deck Footings: Durability, Cost, and Material Breakdown
When choosing deck footings, it’s important to understand how each type varies in terms of material, cost, installation, and durability. Here’s a breakdown to help you choose the best footing for your needs:
| Footing Type | Best For | Durability | Material Used | Installation Cost | Installation Process |
|---|---|---|---|---|---|
| Concrete Piers | Heavy-duty, elevated decks | High—typically lasts 30+ years | High-strength concrete | Moderate to High ($$$) | Requires excavation and curing |
| Sonotube Footings | Ground-level or budget builds | Moderate—typically lasts 10-15 years | Concrete-filled Sonotube | Low to Moderate ($) | Quick installation with minimal excavation |
| Helical Piles | Challenging or shifting soils | Very High—can last over 100 years | Steel piles | High ($$$$) | Fast installation with minimal site disruption |
Concrete Piers: Best for heavy-duty, multi-level decks or high-load structures. Provides long-term stability in all soil conditions.
Sonotube Footings: Cost-effective solution for smaller, ground-level decks. While Sonotubes are easy to install and affordable, they’re best suited for low-load applications and well-drained soils.
Helical Piles: These steel piles provide superior long-term support for unstable or shifting soils, making them perfect for decks on challenging terrain or high moisture areas.
Seasonal Considerations: How Seasons Affect Footing Installation
The timing of deck footing installation is critical, as soil conditions vary throughout the year, impacting both installation and long-term stability.
- Winter & Early Spring: Footings must be 36 inches deep to avoid frost heave. Concrete piers and helical piles can withstand shifting ground, ensuring long-term stability.
- Summer & Fall: Stable soil conditions make installations quicker and more accurate. Sonotube footings are ideal for cost-effective, ground-level decks, while concrete piers ensure strong support in dry soil.
Footing Deck Ideas and Potential Pitfalls
When planning your deck, focusing only on the visible design features is easy. However, thinking through the footing design is just as important. Here are a few deck footing ideas to enhance both performance and aesthetics:
1. Multi-Level Decking
For multi-level decks, it’s key to have separate footings for each level to ensure stability. Using reinforced concrete footings combined with steel posts can provide better support. Adjustable metal supports can also help with alignment during installation, ensuring each deck level is secure.
2. Under-Deck Drainage
Water pooling beneath your deck can damage the decking materials and the footings. Installing under-deck drainage systems helps keep water away from the foundation, preserving the deck’s structural integrity and preventing moisture damage.
3. Custom Lighting
Integrate lighting into the deck footings to create a visually appealing nighttime atmosphere. Post-lighting or step lights improve the deck’s function and aesthetics.
Common Mistakes and Pitfalls in Deck Footing Installation
There are several common mistakes homeowners and contractors make during deck footing installation.
- Incorrect Footing Depth: Footings should be installed below the frost line to prevent shifting.
- Overlooking Soil Testing: Different soil types (clay vs. sandy) require different footing systems.
- Skipping Drainage Solutions: Poor drainage can lead to water damage. Incorporating under-deck drainage ensures long-term deck integrity.
Deck Footings, HOA Regulations, and Our Service Areas
Understanding Iowa HOA Laws and Regulations
In Iowa, HOA regulations vary by neighborhood, but standard rules typically cover the height, design, placement, and materials of outdoor structures like decks. Key factors to keep in mind when planning your deck and deck footings:
- Setbacks: The HOA may set specific distances your deck must be from property lines, affecting where and how deep your footings can be placed.
- Height and Size: Decks that exceed specific size or height limits may require firmer footings or deeper installation to ensure stability.
- Materials and Aesthetics: Deck materials and design must comply with the HOA’s aesthetic standards, which may affect the type of footings needed for proper weight distribution and load-bearing.
For more information on Iowa HOA regulations and how they impact your deck build, learn more about Iowa HOA permits and regulations here.
Areas We Serve
Deck and Drive Solutions offers expert deck footing installation and custom deck construction throughout the Des Moines Metro Area, including Des Moines, Ankeny, Clive, Johnston, Urbandale, West Des Moines, Waukee, Polk City, Norwalk, and Cumming.
Warranties and Guarantees
We offer robust warranties and guarantees on all deck projects, including deck footings. You can trust that the deck you build with us will remain structurally sound for the long term.
- 10-Year Structural Warranty: We guarantee that your deck’s structure and footings will remain stable for 10 years.
- 5-Year Craftsmanship Warranty: If any issues arise due to our craftsmanship, we’ll take care of them promptly at no additional cost.
- Manufacturer Warranties: As TimberTech Platinum, Trex Pro, and Westbury Rail Certified contractors, we provide additional manufacturer warranties to cover materials used in your project.
For more details on our warranties and guarantees, visit our Warranties and Guarantees Page.
Start with the Groundwork That Holds Everything Together
Everything above your deck depends on what’s happening below it. The footing system you choose isn’t just a technical detail—it protects your investment from shifting soil, moisture, and structural failure. At Deck and Drive Solutions, we don’t guess. We build with purpose, precision, and over two decades of experience in Iowa’s harshest soil conditions.
Explore our projects for more inspiration, and get your free consultation to discuss the right footing solution for your project.
