Loading

Using Rebar for Concrete Deck Footings

Plain concrete deck foundations without rebar are acceptable under the minimum standards of construction established in the International Residential Code. However, placing reinforcing steel within footings is a relatively easy and inexpensive practice that can provide increased performance. Footings with large bearing areas or unstable soil can benefit from adding rebar to prevent cracking. 

When rebar is placed within a footing, it should be completely encased in concrete by a minimum of 3 inches on all sides. When rebar is allowed to project out of the footings, it is susceptible to more rapid corrosion. Over time, rebar allowed to corrode into the footing can weaken the footing, creating areas subject to cracking.

Rebar In Deck Footing
PinterestSave

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

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.

Footing Installation

Installing footings on a sloped yard

Our inspector explains how to install concrete deck footings on uneven ground.

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 Angle Corners and Joists

Learn how to frame a deck with angled or clipped 45-degree corners using a cantilever beam.

Deck Framing

Building a Round or Curved Deck

Explore the endless design possibilities of building a round or curved deck. This guide covers all essential aspects, including substructure design, material choices, installation timeframes, and cost considerations, ensuring you achieve a structurally sound and visually stunning deck.

Get more helpful resources delivered right to your inbox

Explore Articles by Topic

Popular Footings Articles
Footing Installation

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.

Footing Installation

Footing Size

You don’t need to be an engineer to figure out what size footings your new deck will need to safely support it. Everything you need to know is right here.

Concrete

Prevent Deck Sinking

Sinking deck footings can lead to serious problems. Learn what can cause concrete footings to sink. Properly installed footings will resist sinking.

Next Step: Framing Articles
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.

Deck Framing

Building a Balcony Deck

Learn information about balcony decks that use cantilevered joists that attach to house floor truss systems.

Deck Support Columns

How to Use Steel Metal Deck Support Posts and Columns

Steel deck posts with base plates can be used as an alternative to wood posts for supporting your deck.

Get more helpful resources delivered right to your inbox

Explore Articles by Topic