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How Many Footing Do You Need For Your Deck?

The answer depends on the size and shape of your deck, the size of your footings, and the size of your beams. The larger the beam and footing size, the fewer footings that are required. For most situations, you will want to place footings and posts less than 8' apart. If you are planning on installing a hot tub or porch on top of your deck, you will usually need more footings and posts to support the additional loads. Freestanding decks that are not attached to the house with a ledger board will require an additional beam and row of footings. Decks with lots of angles may also require additional footings. Use the Decks.com footing and beam calculator to test your design.


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Create a free account and get instant & exclusive access to all that Decks.com has to offer:

Checkmark 1,000+ How-To articles
Checkmark 80+ Free Deck Plans
Checkmark Deck Planning Calculators
Checkmark Free & Simple Deck Design Tool
Footing Installation

How Many Footing Do You Need For Your Deck?

The answer depends on the size and shape of your deck, the size of your footings, and the size of your beams. The larger the beam and footing size, the fewer footings that are required. For most situations, you will want to place footings and posts less than 8' apart. If you are planning on installing a hot tub or porch on top of your deck, you will usually need more footings and posts to support the additional loads. Freestanding decks that are not attached to the house with a ledger board will require an additional beam and row of footings. Decks with lots of angles may also require additional footings. Use the Decks.com footing and beam calculator to test your design.


Popular Footings Articles
Concrete

Cutting a Concrete Pad

Learn how to use a concrete saw to cut a hole in a patio slab to install a deck footing.

Footing Installation

Do I need to use rebar?

Our inspector discusses using steel rebar for deck footings.

Footing Installation

Bigfoot Footings

Learn about the advantages of using Bigfoot systems concrete footing forms. Research their testing and code compliance reports.

Next Step: Framing Articles
Deck Support Columns

How to Decorate Deck Support Columns

Browse some examples of decorative deck support posts for tall decks.

Deck Framing

How to Build a Multi-Level Deck

Multi-level decks are very popular. Learn how to build a deck that steps up or down using shared posts and footing connections.

Deck Framing

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.

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