Question: How Far Can A 2×8 Roof Rafter Span?

What is the maximum span for a 2×8 ceiling joist?

For example, the highlighted cell (below) shows that a 2″ x 6″ Southern Yellow Pine joist, with a grade of #2, and spaced 24″ apart can have a maximum span of 10 feet – 0 inches (10-0), if you are designing your structure to support a plaster ceiling..

How far can a 2×6 Rafter 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 far can u span a 2×6?

Deck Joist SpacingJoist Spacing (o.c.)12″SpeciesSizeAllowable SpanSouthern Pine2x69′-11″2×813′-1″2×1016′-2″9 more rows

How far can a 2×10 ceiling joist span without support?

Joist spacing of 24 inches is allowed for spans between 16 to 20 feet using 2-inch by 10-inch lumber of these three grades.

How far can a 2×12 span without support?

How far can a 2×12 beam span without support? When supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches. A double 2×12 beam can span 12 feet; a (2) 2×10 can span 10 feet and so on.

How far can a roof span without support?

For example, in the rafter span table below, the highlighted cell (in the 40# Live Load table), indicates that 2″ x 8″ Southern Yellow Pine joists, that have a grade of #2, that are spaced 24″ apart, can have a maximum span of 10 feet – 3 inches (10-3) if designing for a live load of 40 lbs/ft2.

How much weight can a 2×8 Rafter hold?

2,200 lbs. Then, how much weight can a 2×8 joist hold? some of it gets pretty technical in nature, and mostly relates to pounds / square foot of loading.

How far can a 2×8 Rafter span?

In this manner, how far can a 2×8 span without support? 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. The larger the deck, the larger the joists.

How far can a double 2×8 span without support?

2 grade, there is a method that can be used for estimating beam spans for a preliminary design. When supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches. A double 2×12 beam can span 12 feet; a (2) 2×10 can span 10 feet and so on.

Can a 2×6 span 14 feet?

I am no Engineer but the Building codes for a 2×6 would not support a 14 Foot Span with No column support. Unless you have a Bearing Wall assiting the support. Using TOP CHOICE Wood..a 2×6 would support a 12′ 6″ Span on 12″ Center..But your normal Home Depot wood would only support 11′ 6″ with 12″ on center.

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 Grade2 x 61216′ – 4”1614′ – 11”2413’10 more rows