How to Use Steel Metal Deck Support Posts and Columns
Round steel structural columns with base plates welded to the top and bottom are another option. The most cost effective steel post is 4.5” diameter with 1/8” thick walls. Many of these are part of an assembly for a decorative columns. Steel is rarely used in residential deck construction because it is expensive, not readily available and more complicated to install. If you do choose to use steel be sure to check it out with your building inspections department and follow the manufacturer’s installation instructions.

How to Decorate Deck Support Columns
Browse some examples of decorative deck support posts for tall decks.
How to Install Deck Girder, Cantilever or Drop Beams
Learn about the pros and cons of installing a cantilever, girder or drop beam to support your deck joists. This method allows for a notched post-to-beam connection.
How to Use a Triple Deck Beam to 6x6 Post Connection
Learn how to use a post beam connector to attach a 3-2x10 beam to a support post for a deck when there isn't enough material on the post to create a notched connection.
How to Install Decking Over Existing Concrete Slab, Patio, or Porch
Discover the best techniques to build a deck over concrete, ensuring proper drainage and stability, while creating a beautiful outdoor space.
Hidden Deck Fastening: 3 Ways to Fasten Your Composite Deck Boards
Hidden deck fasteners are the ideal option for DIY builders looking to hide their hardware, without sacrificing the stability of their deck. From nearly invisible deck plugs to color-matched deck screws, knowing how to choose and install these hidden fasteners is an easy way to level-up your deck project.
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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
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.
How to Install Flush Deck Headers & Beams
Flush beams are a great solution when space and clearance may be limited. Learn how to install deck headers and flush beams at Decks.com.
How to Nail a Deck Beam
Learn how to nail a beam together. How many nails should you use? What type of nails should you use?
What to Consider When Building A Wrap-Around Deck
Looking to add a wrap-around deck to your home but unsure of what the process involves? Check out this guide to learn more about top considerations when building a wrap-around deck.
How to Install Composite Decking
Learn about how to install composite decking. Topics include expansion and contraction issues and hidden fastener systems.
How To Build a Roof Over A Deck
Extend your outdoor living space with a covered deck! Discover the key considerations like structural support, roof styles, materials, and costs.
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