Can I reuse the footings from my old deck for a new deck project?
It really depends on how the existing footings were installed. If the deck was permitted and inspected by the local building department, we can assume that they were installed correctly. If the footings appear settled, cracked, tilted or heaved they should not be reused. The next consideration is the deck load each footing is supporting. If the size of the footings is known, then the new deck design must not overload any existing footing.
The addition of a roof or shading structure over the deck must also be considered. These features apply additional loads on the foundation and must be evaluated. In most cases, it should not be assumed that the existing footings could support additional loads from these features.
Cutting a Concrete Pad
Learn how to use a concrete saw to cut a hole in a patio slab to install a deck footing.
Deck Footing Depth
Find out how deep you need to dig your footings in your area. Look at our U.S. map of extreme frost penetration.
Can I use pier blocks?
Our inspector explains the pros and cons of using pier blocks for deck foundations.
How to Decorate Deck Support Columns
Browse some examples of decorative deck support posts for tall decks.
Deck Joist Water Protection
Learn about a technique used by many pro builders for wrapping deck framing lumber with a waterproof barrier to prevent corrosion and rot.
Composite Decking Over Concrete: How to Install & DIY Tips
A concrete porch or patio is very difficult to remove. Laying a deck over concrete is a simple way to add a fresh look to your home. Learn more at Decks.com.
More Helpful Resources
Explore Articles by Topic
Footings
Information related to installing frost footings for decks
Framing
Learn structural framing methods
Decking
Learn about wood and composite decking materials
Stairs
An in-depth look at the complex issue of how to build stairs
Railings
How to install guardrails and handrails to meet IRC code
Features
An overview on water drainage, benches, planters and lights
Design
The basics of deck design
Planning
Learn about permits and working with contractors
Porches & Patios
Build a covered deck to enjoy all seasons
Ledger
Proper attachment techniques
Care
Maintain your deck to maintain your investment
Materials
An overview on water drainage, benches, planters and lights
How many footings do I need?
Learn how to determine the number of footings and support posts you need for your deck when designing your deck frame.
Monolithic Pier
Compare the pros and cons of installing a solid concrete deck footing using a cardboard tube or engineered forms.
Installing footings on a sloped yard
Our inspector explains how to install concrete deck footings on uneven ground.
Why is Joist Protection so Important for Your Deck?
If you’ve ever seen a piece of wood left out in the weather for any period of time, you know what happens: decay. Whether through wet rot, insect damage, or mildew, the fibers begin to break down.
Beam Span Chart
Learn how to size your deck beam using this easy-to-use span table. Just cross-reference the post spacing and joist length to determine the beam size.
Building a Deck Around a Tree
Learn how to build a deck around a tree to allow the tree to grow and not damage its root system while digging footings.
Explore Articles by Topic
Footings
Information related to installing frost footings for decks
Framing
Learn structural framing methods
Decking
Learn about wood and composite decking materials
Stairs
An in-depth look at the complex issue of how to build stairs
Railings
How to install guardrails and handrails to meet IRC code
Features
An overview on water drainage, benches, planters and lights
Design
The basics of deck design
Planning
Learn about permits and working with contractors
Porches & Patios
Build a covered deck to enjoy all seasons
Ledger
Proper attachment techniques
Care
Maintain your deck to maintain your investment
Materials
An overview on water drainage, benches, planters and lights