- What size wood should be used for floor joists?
- Should I use 2×6 or 1×6 for decking?
- What is the maximum span for a 2×6 floor joist?
- How far can a 2×6 span without support?
- Are 2×6 strong enough for deck joists?
- How far can a 2×6 beam span?
- How much weight can my floor hold?
- How far can you cantilever a 2×6 deck joist?
- What is the longest 2×6?
- How big of a beam do I need to span 20 feet?

## What size wood should be used for floor joists?

Carl Hagstrom responds: The rule of thumb that I like to use when sizing uniformly loaded residential floor joists is “half the span plus two.” First, round the clear span of the floor joist up to the nearest foot, and divide by two..

## Should I use 2×6 or 1×6 for decking?

2×6 is thicker and is stronger, but is also more expensive. Spacing between deck boards provide a few critical functions. The primary function is to drain water from the deck. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out.

## What is the maximum span for a 2×6 floor joist?

Max. Live Load 30 lbs/ft2 (1436 N/m2)Maximum Span (ft – in)Nominal Size (inches)Joist Spacing Center to Center (inches)Lumber Grade2 x 6249′ – 7″2 x 81215′ – 10″1614′ – 5″10 more rows

## How far can a 2×6 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.

## Are 2×6 strong enough for deck joists?

2×6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards. … Most decking is not strong enough to support longer spans than 16″. Some builders reduce joist spacing to 12″ on center to strengthen the deck frame or to increase maximum allowable joist spans.

## How far can a 2×6 beam span?

Joist SpansDouglas Fir-Larch, Hem-Fir, Spruce-Pine-Fir, Redwood, Cedars, Ponderosa Pine, Red Pine3X6 OR 2-2X64′-5″3X8 OR 2-2X85′-8″3X10 OR 2-2X107′-0″3X12 OR 2-2X128′-2″17 more rows

## How much weight can my floor hold?

The International Residential Code, on which most local building codes are based, requires that floors in non-sleeping rooms must support a minimum live load of 40 pounds per square foot, and floors in sleeping rooms must be able to handle a live load of 30 pounds per square foot.

## How far can you cantilever a 2×6 deck joist?

2 feet and 6 inchesSo the question is, “How much can we cantilever the far ends of the joists?” Looking at the table below, we see that 2×6 floor joists can be cantilevered up to 2 feet and 6 inches (2′-6″) when the joists are spaced 16″ apart.

## What is the longest 2×6?

2-in x 6-in x 24-ft Southern Yellow Pine LumberCommon: 2-in x 6-in x 24-ft; Actual: 1.5-in x 5.5-in x 24-ft.Recommended for most general construction projects including framing, houses, barns, sheds, furniture and hobbies.Virtually no wane for better appearance than standard lumber.

## How big of a beam do I need to span 20 feet?

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.