2X6 Pergola Rafters

What size should pergola rafters be? The measurements are 12 inches and 16 inches off center rafter-to-rafter. This is a centerline measurement from the center of the board, so about three-quarters of an inch from the side of the board on its narrowest face. Similarly, it is asked, what size should roof rafters be?

The key to designing a pergola is its visual proportion. With 2×6 posts, the girders and cross-members will need to be larger, otherwise the top of the structure will look undersized and anemic. You also have to consider allowable span, based on the size of the pergola you’re building. A 12-foot span is much too long for a 2×6 board, for example.

16 to 20 inches. What is the maximum span for a 2×6 Rafter? Max. Live Load 20 lbs/ft2 (956 N/m2) Maximum Span (ft – in) Nominal Size (inches) Rafter Spacing, Center to Center, OC (inches) Lumber Grade. 2 x 6.

So you need to move the six rafters closest to the edge of the pergola in by one-eighth of an inch to make this space vanish and create a pergola that looks symmetrical to observers. If you’re starting by placing the rafter by the center, that would be the second rafter from the center on each side that needs to come in.

How to Install Modern Pergola Rafters Without Brackets. If you have your pergola posts in, your pergola frame installed, and your pergola rafter lumber stained, you’re probably ready to move onto finishing up your wood pergola by installing the rafters.In this tutorial, we will show you how to install pergola rafters quickly, relatively easily, and inexpensively – without brackets.

Pergola rafter size:- typically the rafters size used for pergola could be 2×6 (2 inches by 6 inches), 2×8 (2 inches by 8 inches), or 1.5×7.25 (1.5 inches by 7.25 inches). The length of the rafters be as long as you desire the pergola itself to be. The longer the rafters, the more you need.

The most common way to attach a pergola to your home is by using a ledger board. The ledger can be attached to the home prior to siding being added or it can mount directly to the home over the siding. You will want to use galvanized or stainless steel lag screws or ledger screws to ensure sturdy attachment to the home.