Knowledge Builders

how do you set a deck post

by Mathias Pagac Published 2 years ago Updated 2 years ago
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Deck Railing Post Installation

  • Step 1: Mark rail post centers. Consult your plan to see where the deck post should be located. ...
  • Step 2: Mark for the exact position. ...
  • Step 3: Cut and plumb the post. ...
  • Step 4: Hold the post in position ...
  • Step 5: Drill holes for the bolts. ...
  • Step 6: Pound the bolts through. ...
  • Step 7: Slip on washers and tighten the nuts. ...

Part of a video titled How To Build a Deck | Post Holes & Framing (2 of 5) - YouTube
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There are several methods for setting posts. One way is to pour concrete in the post hole. Set theMoreThere are several methods for setting posts. One way is to pour concrete in the post hole. Set the post on the concrete.

Full Answer

How to make a strong deck?

Pokémon TCG: 10 Best Tips For Making An Awesome Deck

  1. Start With A Solid Deck Structure. When players first start building decks, they often put too much emphasis on Pokémon and energy cards.
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  3. Pick A Solid Main Attacker. ...
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How to install deck boards properly?

Install decking with 3" pressure-treated compatible deck screws instead of nails. Use two nails for each joist to deck board connection. Locate screws about 3/4" from the edges of boards. Start installing deck boards at the outside of the deck and work towards the house wall. Stagger butt joints as much as possible for a nicer appearance.

How do you install deck boards?

Set and Nail Decking Perfectly

  • Tips and tricks for a great-looking deck. ...
  • Deck Board Spacing with Chalk. ...
  • Straighten crooked boards with a chisel, clamp or nail. ...
  • Deck board spacing: Plan ahead for the last board. ...
  • Screws or Nails for Deck: Predrill screws and blunt nailheads to prevent splitting. ...
  • Cut the ends all at once for a crisp, straight edge. ...
  • Avoid ugly hammer marks. ...

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How to fully weatherproof deck posts?

How to Weatherproof Your Custom Deck. There are three main steps in the deck weatherproofing process, and they all begin with the letter S: sweep, scrub, and seal. Summarizing this process into these simple steps will make a big job completely manageable. Your deck will be weatherproofed for another year or two before you know it. Sweep

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Should deck posts be set in concrete?

There are several ways to set deck posts; we recommend attaching the posts to concrete footers above the ground. This helps to prevent wooden posts from rotting. Set footers a minimum of 6 inches below the frost line for your area to prevent movement during freezing temperatures.

How do you secure a post to a deck?

Deck Railing Post InstallationStep 1: Mark rail post centers. ... Step 2: Mark for the exact position. ... Step 3: Cut and plumb the post. ... Step 4: Hold the post in position. ... Step 5: Drill holes for the bolts. ... Step 6: Pound the bolts through. ... Step 7: Slip on washers and tighten the nuts.

How deep do you set post for a deck?

Dig the holes six inches deeper than the required frost line depth for your area, and slightly wider than the concrete footer tubes you'll be using.

How do you secure a 4x4 post to a deck?

The quickest and most secure way to mount a wooden 4x4 or 6x6 deck post to an existing deck surface is via a Titan Post Anchor. Titan Anchors provide a solid, powder-coated steel connection point for your wooden post to attach to the surface below.

Can you use structural screws for deck posts?

For deck framing, structural wood screws such as Simpson SDS 1.5” screws work with joist and stringer hangers, as well as post/beam brackets. Railing posts require ½” diameter galvanized or stainless steel through bolts, while railings will need 3.5” coated deck screws for balusters and rails.

Should I bury my deck posts?

The buried post method offers the advantage of reducing the amount of concrete work required for each footing and actually provides additional lateral (side-to-side) support to the post to resist wind loads.

How many posts do I need for a 12x12 deck?

For an attached 12 x 12' deck, you'll need at least 3 footings, plus at least 2 more if you're planning on building stairs with it.

How deep should 4x4 deck posts be?

Dig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4” wood post should be about 12 inches wide). The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).

What size bolts to use for deck posts?

At connections carrying structural loads, such as deck ledgers or railing posts, use through-bolts or lag screws. Through-bolts are stronger and should be used where possible. For the heaviest connections on a deck, such as where ledgers attach to the house or to posts, use 1/2-inch bolts or lags.

Can I use post Spikes for decking?

While ground anchored spikes are commonly used for fence posts, some of them use modified load plates and are an ideal option for your deck foundation. Like the deck blocks, these spikes are quite cheap, and they prove more lateral strength than the deck block footing.

How do you reinforce deck railing posts?

1:005:32DIY Fix Wobbly Railings (On a Deck or Porch) - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe simplest most affordable way to do this is to just add some beefier Hardware half-inch lag boltsMoreThe simplest most affordable way to do this is to just add some beefier Hardware half-inch lag bolts with washers like these.

How do you attach a concrete post?

Use a drill with a hammer drill bit to install a concrete sleeve anchor into the center of the concrete footing. Don't over tighten the bolt. Install the Adjustable Post Base to the sleeve anchor and tighten the bolt to secure the attachment. Place your foot behind the post when nailing.

How to keep wooden posts from rotting?

This helps to prevent wooden posts from rotting. Set footers a minimum of 6” below the frost line for your area to prevent movement during freezing temperatures. Pour about 6 inches of all-purpose gravel into postholes and pack the gravel tight by using the end of a wooden post.

Is it necessary to install deck posts?

Properly installing deck posts is vital, and I am thankful to Jase for sharing all the information about installing these posts here. I will follow your guide, and hopefully, it will prove to be valuable for me.

Pouring the Post Footers

You'll need the post layout marked before you begin. For details on creating a post layout, see How to Build a Deck: Design and Layout.

Setting the Posts

The posts attach to the footers with brackets. Once the posts are set, you'll cut them to the correct height.

Working with Pressure-Treated Lumber

Use fasteners and hardware labeled for treated lumber — stainless-steel or hot-dipped, galvanized screws.

Next Steps

With the frame secure, the decking can go on next. We'll show you how to install a couple of types of decking in How to Build a Deck: Wood Decking and Railings and How to Build a Deck: Composite Decking and Railings.

Where are railing posts installed on a deck?

Many older decks have railing posts installed on the outside of the deck framing, and sometimes those posts were notch-cut at the bottom where they fit against the outside joists. Current codes demand stronger posts, so they are generally not notched and are installed on the inside of the framing.

How far apart should posts be?

Codes typically require that posts be no more than 6 feet apart. Mark for post centers, then draw lines to indicate the sides of the post. Cut the post and tack a guide nail. 3. Cut the post to length. Draw a line marking where the post should meet the top of the framing, and tack a nail there as a height guide.

What direction should stair railings face?

On a deck with angles, most of the posts should have their inward faces parallel to the house, rather than at a 45-degree angle. The exception: If your stairs will come out at an angle, the railing posts should face in that direction so the stair railings can be easily attached. [tip] A Post Next to the House.

How tall should a wood railing be?

Most local codes call for a railing that is either 36 or 42 inches tall, but check with your building department.

Can you install a railing post with two bolts?

Also, if you are attaching a railing post to an outside joist that is not doubled, install blocking nearby or to the side of the post.

What to know before installing deck railing?

Before you begin installing your deck railing, especially the posts, it is essential to research your local building code. You should also look into the rules set by your homeowners’ association, if you have one.

Why are railing posts important?

Your deck is essentially an outdoor floor, supported by a frame and joists. The mounted railing is what makes it safe for people to be on your deck, especially children and pets, as it provides support and prevents falls.

Can you drive a structural screw through a 6x6 post?

Do not drive a structural screw or fastener through the center opening as it is meant to provide moisture drainage. With the base fastened in place, center your 4x4 or 6x6 post, and set the four side plates in place along the outside face of the post.

Do you need nails for deck anchors?

Some anchors need a bolt or two, some need nails. It depends on how the post is mounted to your deck surface. The easiest way to do this is to purchase a complete railing set with all the necessary hardware, usually in the form of a base kit.

How to mark a post?

Use a level to mark the post’s corners, then use a square or straightedge to mark its outline .

How tall should a deck be to install bracing?

For that reason, we strongly recommend that you use 6x6s instead, even if your building department does not demand them. And if a deck is over 10 feet tall, you should install bracing. This article shows installing non-notched posts on top of concrete footings ...

How to secure a 6x6 post?

Use a hand sledge to tap the 6x6 into place, check for plumb, and drive nails into all the hardware holes to secure the post. With the posts in place, you can remove the temporary supports.

How long does it take for concrete to cure before you put a post on it?

Allow at least two days for the concrete to cure before drilling holes and installing a post. If you install the post the same day as you poured the concrete, the footing could crack.

What wrench to use to tighten a concrete anchor?

Use a crescent wrench or a socket wrench to tighten the nut, which will cause the anchor’s sleeve to expand so that it grips the concrete firmly.

How high should a corner post be on a deck?

If your deck is more than 2’ high , your corner support posts will need to be braced parallel and perpendicular to the support beam and deck joists, respectively. Some jurisdictions do not allow bracing on a middle post if you have one.

What happens to deck support posts as joist length increases?

On the other hand, as your joist length increases, so does the diameter of your footings that your deck support posts sit on.

How far apart should deck joists be?

The spacing of your joists indirectly affects how far apart you place your deck support posts. For example, most decks have joists that are spaced 16” on center. However, if you opt to space your joists only 12” on center you can have a much longer deck span – up to 2’ longer.

What does a deck beam span tell you?

What they do tell you is the maximum length of a beam for a particular joist span. For example, the table will be called something like “deck beam spans”. This is confusing because it is not only telling you the beam span but also telling you maximum distances you can space your deck support posts.

What is a 2 ply deck?

You are limited to two-ply beams – that means two pieces of lumber, such as two 2x8s nailed together for use as a deck support beam. When using a two-ply deck beam atop 4x4s, you are limited in terms of how far you can space your deck support posts.

How far off the ground can you use 4x4 deck support?

4×4 deck support posts cannot be used if a deck is more than 5’ off the ground. Some jurisdictions do not allow them at all, so check with your local building services office. 6×6 support posts require a minimum of 10” diameter footings. Beams must sit on top of deck support posts, using code-approved fasteners.

Why do decks need support beams?

Deck support beams are a critical ingredient to making your deck safe for years to come. An improperly supported deck can result in collapse – there’s a reason deck codes exist and you don’t want to invite thirty people over to a barbecue to find out that your deck can’t support that many people.

Why do you need two man posts for deck blocks?

This makes building with deck blocks a two-man job just to ensure everything remains lined up. One of the most noticeable things about deck blocks is the lack of fasteners tying the blocks to the timber.

Why use post anchors instead of deck blocks?

The first and most noticeable advantage of using post anchors rather than deck blocks is that the post is fixed firmly in place without needing additional cross pieces. Being tied to the ground instead of resting on top of it will keep the post in place during construction and will make building the deck a lot easier.

What can be used to build a solid foundation for a deck?

Deck blocks and post anchors combined with base plates can create a solid foundation for a deck substructure.

How tall are deck blocks?

Deck blocks are at most about seven inches in height, meaning that they’re really meant for decks that are low to the ground.

How high should a deck be from the ground?

As a direct result, you can build higher with more confidence, up to eight feet in height from the ground to the surface of the deck. Like deck blocks, though, a deck with a foundation of post anchors and bases should be built as a freestanding deck without direct attachments to other structures. This is because they can suffer from uplifting ...

What is the most noticeable thing about deck blocks?

One of the most noticeable things about deck blocks is the lack of fasteners tying the blocks to the timber. The weight of the deck is all that holds it into place. But because the deck is held in place mainly by its own weight, it’s possible for a strong wind to lift it up.

What are the advantages of using post anchors?

Another huge advantage of post anchors is that they can help keep your fence posts from rotting by protecting the wood from direct, constant contact with damp soil.

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