## What size timber do I need to build a pergola?

For the uprights you will need at least 75mm x 75mm (3” x 3”) timber, and 100mm x 100mm (4” x 4”) is better if it is to be a sizeable structure. The uprights need to be around 3m (10ft) long, as they will need sinking into the ground by 0.5m (2ft) to give a firm foundation.

**What are standard pergola sizes?**

The Pergola Size Guide: Find the Right Pergola Sizes and Measurements for Your Home

- Small to Medium Sized Decks: Around 12X16 feet.
- Large Decks: Around 16X24 feet.
- Backyard Free Standing Pergola: 12X16 or 16X20.
- Small Patio: Around 12X12 feet.

**How big should pergola rafters be?**

The conventional size altogether is 13 feet into 19 feet. The standard is concerning the rafters on the top of pergolas. The shafts are standardized with 1 foot and 6 inches or 18 inches. Collectively, the dimensions you will get for your pergola as standard will be approximately 10 feet into 16 feet.

### What kind of wood should I use for a pergola?

Western Red Cedar and Redwood are the two most commonly used woods for pergolas, aside from pressure-treated wood. Western Red Cedar (WRC) and Redwood are both naturally stunning woods and often lumped together.

**Is it cheaper to buy or build a pergola?**

The cost of building a pergola is cheaper than buying a pre-fabricated one or hiring a professional to construct one. However, you will need the tools, expertise, and time to properly execute the project to ensure that it lasts and adds maximal value.

**How far can a 2×6 span without support pergola?**

A general rule of thumb for joist span is 1-1/2 times a board’s depth in feet, however, it’s not that simple. The distance a 2×6 can span is determined by the species, grade, location, use, load, and spacing. Based on building codes, a 2×6 can span anywhere from 2′-1” to 20′-8” depending on the affecting factors.

#### What is the maximum height for a pergola?

height must be no greater than 2.5m (8′ 2″) Further away from the boundary it can be 3m (9′ 10″). A pitched-roof structure (A-shaped roof) can be up to 4m high (13′)

**What is the standard height of pergola?**

eight feet to 12 feet tall

Typically, pergolas stand anywhere from eight feet to 12 feet tall, but when deciding how high to make your pergola, you should take the following into consideration: What are the dimensions of the pergola?

**Should I use 4×4 or 6×6 for pergola?**

To adequately support the lumber overhead as well as give the pergola a sturdy look, you’ll probably need to use 6×6 for the support posts. For a very small pergola with only 4 to 6 feet between posts, 4×4 supports will work.

## Can you build a pergola with 4×4 posts?

For a very small pergola with only 4 to 6 feet between posts, 4×4 supports will work. Most pergolas are constructed square to the nearest building structure. Dig the post holes according to the depth determined by your local building codes to get beneath the frost line in your area.

**How much does it cost to build a 12X12 pergola?**

2. Pergola Cost Per Square Foot

Pergola Size | Cost |
---|---|

10×4 | $1,200-$2,400 |

10×10 | $3,000-$6,000 |

11×11 | $3,630-$7,260 |

12X12 | $4,320-$8,640 |

**Should deck joists be 2×6 or 2×8?**

In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. 2×6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards.

### What are the dimensions of a standard pergola?

Our standard pergola kit sizes are listed as Rafter (projection) x Beam (width), measured from outside tip to outside tip with a 1’6″ overhang past the post of each side for freestanding kits. For example, a 13’x19′ Freestanding Big Kahuna will have 13′ rafters and 19′ beams, with an outside post to post dimension of 10′ x 16′.

**What kind of wood do you use for a pergola?**

Pergola and carport framing exposed to the weather, including posts fixed above ground, shall be either preservative treated pine, durability class 1 or 2 hardwood, or cypress. Posts embedded in the ground shall be in-ground durability class 1 hardwood, preservative treated pine or cypress (sapwood free).

**What’s the difference between nominal and actual lumber sizes?**

Nominal Size (inches) Actual Size (inches) Actual Size (mm) 2 x 2: 1 1/2 x 1 1/2: 38 x 38: 2 x 3: 1 1/2 x 2 1/2: 38 x 64: 2 x 4: 1 1/2 x 3 1/2: 38 x 89: 2 x 6: 1 1/2 x 5 1/2: 38 x 140: 2 x 8: 1 1/2 x 7 1/4: 38 x 184: 2 x 10: 1 1/2 x 9 1/4: 38 x 235: 2 x 12: 1 1/2 x 11 1/4: 38 x 286

#### How big is a standard piece of lumber?

North American Standard 1-by Lumber Nominal Size (inches) Actual Size (inches) Actual Size (mm) 1 x 6 3/4 x 5 1/2 19 x 140 1 x 8 3/4 x 7 1/4 19 x 184 1 x 10 3/4 x 9 1/4 19 x 235 1 x 12 3/4 x 11 1/4 19 x 286