- level the beams. Level the Beams
- mark the angled cut. Mark the Angled Cut
- cut header and rim joist. Cut Header and Rim Joist
- cut to fill corner. Cut to Fill Corner
- cut and install joists. Cut and Install Joists
- notch joists around steps. Notch Joists Around Steps
- attach angled joist
- work around obstructions.

## How do you build a hexagonal deck?

Cut six pieces of 2-by-6 boards to the length of the hexagon’s sides. Cut down the ends at a 30-degree angle so the boards fit together to form a hexagon. Set the new hexagon on top of the completed deck as a final border. Attach it with wood screws.

## How do you build a diagonal deck?

Lay the longest span, which is the one that extends from one corner of the deck to the diagonal opposite corner, first. Lay the rest of the decking in two sections, working first in one direction away from the center and then the other. The shortest boards, which fit in the other two corners, go in last.

## How far apart should deck posts be?

Starting with your perimeter, mark the location of each deck post to locate the fitting position. In general, posts should be spaced no more than 8 feet apart Some builders position them every 4 feet for a completely rigid frame. The maximum distance between footings is determined by the size of your joist material.

## How far apart should deck joists be?

Most decks use 16″ on center spacing for joists. Most decking is not strong enough to support wider spans than 16″. Some builders reduce joist spacing to 12″ on center to strengthen the deck frame or to increase maximum allowable joist spans.

## Can I use 4×2 for decking joists?

4 x 2 Timber Rail / Joist Pressure treated timber joists These decking joists are the most common sized framing timber for decking. They provide a solid structure for fixing your decking boards too.

## Do I need joist hangers for decking?

Are Joist Hangers Necessary? No, joist hangers are not necessary.

## What size wood should I use for decking frame?

Commonly used joist sizes are 2-by-6, 2-by-8 and 2-by-10 For example, when you space joists 16″ apart, which is standard for residential decks, a deck spanning 9 1/2′ would require 2-by-6 joists, a 13′ deck would need 2-by-8 joists and a 16′ deck calls for 2-by-10 joists.

## How much should deck boards overhang?

Between one and two inches of deck board overhang is ideal when you attach an outer fascia board, or at least 1 ¾” to 2 ¾” of overhang before installing the fascia.

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

As a guide, if you choose to use 20-foot boards, you will need to purchase 22 of these boards Similarly, 18-foot boards will require 24 boards, 16-foot boards will require 27 boards, 14-foot boards will require 31 boards, 12-foot boards will require 37 boards and 10-foot boards will require 44 boards.

## How do I build a deck that’s not square?

Use a combination square as a spacer to create a thin gap in between the new deck board and the already-installed deck board Attach this board with two deck screws into each joist, then install another board on the end of the first to finish the second row.

## How do you finish the edge of a deck?

Another effective method of finishing a deck surface is to install a trim board around the perimeter Also known as picture framing or racetrack decking, this is the technique where perimeter boards are laid parallel to the edge of the deck frame, in areas where the ends of the decking boards are exposed.

## How far can decking boards span?

Decking Board Considerations Decking boards span from joist to joist If you use 5/4 decking, joists must be no farther apart than 16 inches. Decking with boards with a 2×4 or 2×6 span can be 24 inches.

## How far can you span a 2×10 deck joist?

How Far Can a 2×10 Beam or Header Span? A 2×10 beam – made up of two 2x10s nailed together – can span up to 11′ without support beneath a deck that is 4′ wide. For a more normal-sized deck, the same beam can span 8′ , supporting a deck that is 8′ wide.

## How far can a 2×8 deck joist span?

Span is determined by species, grade, dimensions, spacing, use, and load. A rule of thumb is 1.5 times a joist’s depth but in feet when spaced at 16” centers. In general, a 2×8 will span 1.5 x 8, so 12-feet Based on all factors though, a 2×8 joist span is 7′-1” to 16′-6”, and a rafter 6′-7” and 23′-9”.

## Which way should deck joists run?

Construction begins like a standard deck, with ledger board fastened to the house and joists running perpendicular Each joist is routed on the sides every 16 inches on center, 1/16″ deep in the shape of a 2×4.

## What angles to cut for a hexagon?

A wooden hexagon made from six different pieces of wood will follow this rule. Cutting a 60-degree angle on each end of all six pieces results in six pieces of wood that will fit together and form a hexagon. You may cut the six pieces and angles for a wooden hexagon on a miter saw using a custom fixture.

## What are the angles for a hexagon?

All interior angles of a regular hexagon are 120 degrees each All the sides are equal in length. All the interior angles measure 120°. All the exterior angles measure 60°.

## How many sides does an octagon?

In geometry, Octagon is a polygon that has 8 sides and 8 angles. That means the number of vertices and edges of an octagon is 8, respectively. In simple words, the octagon is an 8-sided polygon, also called 8-gon, in a two-dimensional plane. A regular octagon will have all its sides equal in length.

## Is diagonal decking stronger?

Diagonal Decking: The technique entails installing decking at a 45-degree angle across the joists. Using diagonal decking increases the strength of the deck frame , which prevents racking and makes installing sway bracing unnecessary.

## Is diagonal decking better?

Although not typically seen as much, diagonal decking has great benefits Installing your decking at a 45 degree angle increases the strength of the deck, preventing racking and eliminating the need for sway bracing. Diagonal decking also gives your deck a unique and more refined look.

## Should I stagger deck boards?

Staggering the deck boards decreases the number of screws or nails going into one joist, which can weaken or rot the joist more quickly Staggering the joints strengthens the deck by spreading the seams across more joists instead of placing the stress on only one.

## Can you use 2×6 for deck joists?

You can use 2×6 as deck joists if the deck is low enough to the ground as not to require guard railing When using S-P-F 2×6 deck joists, the span must not be greater than 9’0″ (2.73m) with joists at 16″ o.c. (400mm), and 9’10” (3.01m)with spacing at 12″ (300mm).

## Do I need a double rim joist on my deck?

It is advisable to increase the rigidity and strength of your deck’s rim or perimeter in order to reduce bounce and provide a solid foundation for your rail system. This can be accomplished in a couple of ways. You may want to install double rim joists across long sections to respond to the flexibility of the material.

## 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” below the frost line for your area to prevent movement during freezing temperatures.

#### Citations

https://project.theownerbuildernetwork.co/2014/12/02/diy-octagonal-deck/

https://www.finehomebuilding.com/forum/framing-an-octagon-deck

https://www.youtube.com/watch?v=QsPQM6JPZJ8

https://www.ehow.com/how_12205318_make-hexagon-deck-platform.html