How far can a 2×8, 2×6, 2×10, 2×4 & 2×12 pergola Rafter span? | how far can a 2×8 pergola Rafter span? | how far can a 2×6 pergola Rafter span? | how far can a 2×10 pergola Rafter span? | how far can a 2×4 pergola Rafter span? | how far can a 2×12 pergola Rafter span?.
A pergola is constructed to outside of main building as an outdoor garden feature that helps in forming a shaded passageway, walkway or sitting area of vertical posts or pillars or column that usually support cross-beams and a sturdy open lattice, often upon which woody vines are trained.
Pergola may be an extension of a building or serve as protection for an open terrace or a link between pavilions. A pergola is a much larger and more open structure. Normally, a pergola does not include integral seating.
They are different from green tunnels, with a green tunnel being a type of road under a canopy of trees. Pergolas are sometimes confused with “arbors,” as the terms are used interchangeably. Generally, an “arbor” is regarded as wooden bench seats with a roof, usually enclosed by lattice panels forming a framework for climbing plants.
Pergola consist of rafters, beams, and posts and can be attached or detached to a house. In this article we know about how far can a 2×8 pergola Rafter span?, how far can a 2×6 pergola Rafter span?, how far can a 2×10 pergola Rafter span?, how far can a 2×4 pergola Rafter span?, how far can a 2×12 pergola Rafter span?.
The most common size of rafter used for pergola are 2×8, 2×6, 2×10, 2×4 & 2×12. The industry standard for roof rafter spacing used for pergola is 12” (300mm), 16” (400mm), 19.2” (500mm) and 24” (600mm) on-center, typically though, rafters are spaced 16” or 24” on-center.
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How far can a 2×8, 2×6, 2×10, 2×4 & 2×12 pergola Rafter span?
Many people ask questions about the pergola beam span. It’s a real frustration when planning an open structure. There seems to be no definitive beam spans for pergolas, it depends on the many factors such as species and grade of wood and spacing, plus local codes and snow loads.
As per thumb rule, A 2×12 size of timber or wood rafter used for pergola can span upto 24′ 5″ when spaced at 16″ apart on O.C. A 2×10 can span upto 21′ 1″ at 16″ apart. A 2×8 can span upto 17′ 3″. A 2×6 can span upto 13′ 8″ at 16″ on OC.
How far can a 2×8 pergola Rafter span?
As per thumb rule and general guidelines, a 2×8 pergola Rafter can allow to maximum span upto 17 feet 3 inches when spaced 16″ apart on O.C, 19 feet 11 inches at 12″ OC, and 14 feet 1 inch at 24″ OC. Although it depends on the species and grade of wood.
How far can a 2×6 pergola Rafter span?
As per thumb rule and general guidelines, a 2×6 pergola Rafter can allow to maximum span upto 13 feet 8 inches when spaced 16″ apart on O.C, 15 feet 9 inches at 12″ OC, and 11 feet 2 inches at 24″ OC. Although it depends on the species and grade of wood.
How far can a 2×10 pergola Rafter span?
As per thumb rule and general guidelines, a 2×10 pergola Rafter can allow to maximum span upto 21 feet 1 inch when spaced 16″ apart on O.C, 24 feet 4 inches at 12″ OC, and 17 feet 3 inches at 24″ OC. Although it depends on the species and grade of wood.
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How far can a 2×12 pergola Rafter span?
As per thumb rule and general guidelines, a 2×12 pergola Rafter can allow to maximum span upto 24 feet 5 inches when spaced 16″ apart on O.C, 28 feet 3 inches at 12″ OC, and 20 feet 0 inches at 24″ OC. Although it depends on the species and grade of wood.
Conclusion:
A 2×8 pergola Rafter can allow to maximum span upto 17 feet 3 inches when spaced 16″ apart on O.C, 19 feet 11 inches at 12″ OC, and 14 feet 1 inch at 24″ OC.
