# Question: How Much Weight Can 2×8 Floor Joists Hold?

## Will my floor hold a 125 gallon aquarium?

For example, a 125 gallon tank, on a wooden stand, placed perpendicular to the joists up against a bearing wall, will often be okay without any additional structural support.

If your tank is over 125 gallons, then it is likely that you should consider adding supports under your wood framed floor..

## How much weight can a 2×8 hold?

2,200 lbs. One may also ask, 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 much weight can 2×6 floor joists hold?

50 pounds per square footIn respect to this, how much weight can a 2×6 joist hold? Fine Homebuilding notes that 2-inch by 6-inch garage joists will support a weight of up to 50 pounds per square foot. If you overload your garage’s ceiling joists, the ceiling may appear to sag from the strain.

## Can a floor collapse from too much weight?

Excessive Weight on a Floor For example, a floor of an office building is generally designed to hold a lot more weight than a floor in a residential home. However, if load-bearing supports are not installed properly, this can cause a floor to collapse.

## How much weight can a 2×4 floor joist hold?

2×4 are suitable for ceiling joists where the LL is like 20 Lbs. If you got a good species with the highest Modulus of Elasticity and Best grade and use like 12″ o.c. – you might get 8” span.

## How far can a 2×6 span for a 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 61610′ – 11″249′ – 7″2 x 81215′ – 10″10 more rows

## How do you strengthen a 2×8 floor joist?

Re: Stiffening 2×8 floor joists Use Acro jacks and a plank, bridging across joists to bring them dead level if they are already not. Rip 1/2″ (7/16″) osb the width of the joist. Then glue (PL) and hold up tight against subfloor. Screw (lots) to the sides of the joists, 2 layers each side overlapping osb joints.

## Are two 2×6 stronger than a 2×8?

Also, are two 2×6 stronger than a 2×8? In bending, a joist composed of two 2×6’s (true dimension 1.5 inches x 5.5 inches) are slightly stronger than a single 2×8 true dimensions 1.5 inches by 7.25 inches.

## 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.

## Is 2 2×6 or 1 4×6 stronger?

A 4×6 joist is theoretically stronger than a doubled 2×6 joist because it’s 1/2″ thicker, but the actual strength depends upon the knots and other inherent weaknesses of any particular piece of lumber (#2 lumber can have some nasty spike knots or large not-so-tight round knots or wane).

## How far can you span a double 2×8 beam?

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.

## What is the maximum span for a 2×8 header?

Since the architects and engineers who designed the houses had calculated that 2×12 headers were deep enough and sturdy enough to span the longest (6-ft.) opening, it was surely strong enough to span the more numerous smaller openings.

## How much weight can floor joists hold?

Location and configuration of heavy loads should be looked at on a case by case basis. Furthermore, how much weight can 2×6 floor joists hold? To give you a general idea though, floor joists are sized to support 40 pounds per square foot of “live” load (moving weight) or 10 psf “dead” (stationary) load.

## How far can you span a 2×8 floor joist?

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.

## 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.