Should I Use 4×4 Or 6×6 Deck Posts?

Will wooden posts rot in concrete?

Simply setting the posts in concrete does create a condition that will accelerate rot in the bottom of the posts.

With pressure-treated posts, the rot will be slow.

First, the posts should be set on top of a bed of coarse gravel 3 to 6 inches deep, so the base of the post is in contact with the gravel..

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

The quickest and most secure way to mount a wooden 4×4 or 6×6 deck post to an existing deck surface is via an OZCO Post Base Kit or a Titan Post Anchor. Both of these items provide a solid, powder-coated steel connection point for your wooden post to attach to surface below.

How many 4×4 posts do I need for a deck?

The larger 12-foot side will have a post spacing of 6 feet at a minimum code requirement. That makes a total of eight posts that need to be installed on this average size deck. For aesthetic or symmetry reasons, more posts may be added.

How many footings do I need for a 12×16 deck?

four footingsA standard deck will need four footings parallel to the house, but they will need to be temporarily braced by 6 inch-by-6 inch posts. Using doubled boards, you will then need to build beams on the top row of the posts to frame the edges of the deck.

Do deck posts need to be cemented?

First off, mark where deck posts will stand in the yard. 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.

How far apart should 6×6 deck posts be?

8 feetThe maximum spacing of 4×4 deck posts should be 6 feet on center, while the maximum spacing of 6×6 deck posts should be 8 feet on center.

What size deck posts should I use?

As a general rule, if the support posts are spaced no more than 10 feet on center, all you will need to use are 4- by 4-inch posts. Most local building codes permit 4-by-4 posts 10 feet on center for all but multistory decks..

How far can a 2×6 span without support?

How far can a 2×6 Rafter span without support? The table states that 2 X 6 rafters spaced 16 inches on center (o.c) can span a maximum distance of 13 feet 5 inches.

How big of a hole do I need for a 6×6 post?

10″A 6×6 post requires a 10″-diameter hole. Shovel a 6″ layer of gravel into the hole to provide drainage.

Can I use 4×4 posts for my deck?

In the past, many decks were built with 4×4 support posts (also called structural posts). But these can bow seriously, even if a deck is only 3 feet off the ground. For that reason, we strongly recommend that you use 6x6s instead, even if your building department does not demand them.

How long will a 6×6 post last in concrete?

40 yearsThe treated post that are rated for ground contact are guaranteed for 40 years.

What size sonotube for a 6×6 post?

The pergola will dimension 11’x 11.5′ on center of post with 6×6 posts (4 posts), tied together with sandwiched 2×12 beams. I’ve laid out footer locations and am about to dig for 8″ sonotube forms.

How do you notch a 6×6 deck post?

How to Connect a Notched Wood Post to a BeamMeasure the post. Measure and mark the section of each 6×6 support post one at a time to cut away for the beam pocket.Cut the cross cut. Use a circular saw at its lowest cut depth to cut out the post notch. … Cut the shoulder cut. … Cut to length. … copper naphthenate. … Drill thru the beam and post. … Do not over tighten.

How do you attach a 4×4 post to a 4×4?

How do you connect two 4×4 posts?Suspend a post between two tables.Drill holes through the 4-by-4, on the marks that you made, with your 3/8-inch drill bit.Place the 4-by-4 you just drilled on top of, or next to, your other post.Put your 3/8-inch drill bit back on your drill and wrap a piece of tape 3 inches from the end of the bit.