The answer is that, absolutely, weight can cause a floor to collapse. Even within a floor, there are wide variations in weight limits. For example, the floor can handle much more weight right over the joist than it can between joists. The floor is also stronger where it attaches it a wall.

Similarly, Can my floor support a 75 gallon aquarium?

A 75 is 48″ wide, when running perp to joists will span at minimum 3 joists. Tank will weigh close to or over 700 lbs. Most floors in newer homes or older ones should hold a 75 gallon tank without any issues!

Also, Can my floor support a 55 gallon aquarium? Aquariums up to 55 gallons can be placed almost anywhere without much worry at all. Many tanks larger than 55 gallons and no more than 125 gallons will be okay, if they are placed in a good structural location and your floor framing is free from significant defects.

22 Related Questions and Answers Found ?

## What size lumber can span 20 feet?

Max. Live Load 60 lbs/ft2 (2873 N/m2)
Maximum Span (ft – in)
Nominal Size (inches) Joist Spacing Center to Center (inches) Lumber Grade
2 x 12 24 13′ – 2″
2 x 14 12 20′ – 10″
16 18′ – 0″

## How far can a 2×10 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 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.

14 feet

## Can my floor support a treadmill?

Structurally, there’s no reason to not use a treadmill on the upper level of a house. The upstairs floors of a house will safely support the weight of a treadmill, even with the added impact of your running.

## How far can a triple 2×6 beam span?

A triple 2×6 beam over a span of 10′ feet should be more than sufficient for normal deck loads.

## Can my floor support a piano?

The first is, can the floor hold the piano without collapsing? The answer is almost certainly yes. Consider that a grand piano weighs perhaps 800 pounds. It is also about 5 fee wide, and, depending on the piano about 6 to 8 feet long.

## How far can a 2×6 Rafter span without support?

They old ones are bigger, thus support more weight. Also, i would say that a 150, complete with sand, rocks, filters, and a stand is too heavy for a floor that isn’t supported with concrete or extra beams. A floor must be able to hold 40 pounds per square foot in order to be safe for a single family residence.

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

The current floor joists are 2×8 and span the 24 feet, but there is a wall mid way.

## How far can you cantilever a 2×8 joist?

If the code span tables allow a 2×8 to span 12 feet, then the cantilever can be 3 feet.

## Can my floor support a gun safe?

In our opinion, the best place to keep the gun safe is along the wall where the best support is on the foundation wall. According to building regulations, there should be a floor joist or even a bearing wall below. The fantastic thing is you can place heavy loads on trusses with no issues.

## How far can a triple 2×6 beam span?

A triple 2×6 beam over a span of 10′ feet should be more than sufficient for normal deck loads.

21 feet

## How far can I cantilever a 2×10?

According to the new span tables and IRC provisions, cantilevers can extend up to one-fourth the backspan of the joist. This means that joists, such as southern pine 2x10s at 16 inches on-center, spanning 12 feet are allowed to cantilever up to an additional 3 feet (see illustration, below).

## How much weight can hang from a ceiling joist?

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. While your 2-inch by 6-inch joists can collapse from too much weight, such a scenario is uncommon.

## Can a floor collapse from too much weight?

Too much weight can make anything collapse. Keep piling objects onto a floor structure, and sooner or later the tipping point meets the resistance of the structural elements holding up the floor. As well, there is the distinction of live loads, like jumping up and down or objects that easily move around.

## What size lumber can span 20 feet?

Re: 20 foot clearspan beam size

In that case, you need something like a 12-16″ GLULAM or LVL to span the 20‘ and can use simple 2×8-10 dimensional lumber 16″OC as floor joists.

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

Figure B: Example of Calculating Header Size
Header Size Maximum Span Number of Trimmers
Double 2×6 4 ft., 0 in. One
Double 2×8 5 ft., 0 in. Two
Double 2×10 6 ft., 2 in. Two
Double 2×12 7 ft., 1 in. Two

## How far can a 2×6 Rafter span without support?

Aquariums up to 55 gallons can be placed almost anywhere without much worry at all. Many tanks larger than 55 gallons and no more than 125 gallons will be okay, if they are placed in a good structural location and your floor framing is free from significant defects.

## Can my floor support a piano?

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. In your case, I”d use a 4×4 which might squeeze a few feet like 10”.

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

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.

## How far can you cantilever a 2×8 joist?

If the code span tables allow a 2×8 to span 12 feet, then the cantilever can be 3 feet.

## How far can you cantilever a 2×8 joist?

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. Another option are 2 X 8 rafters spaced 24 inches o.c.

## How much weight can a 2×4 joist support?

If there is no strong wind, a 2×4 measuring at least 8 feet can support at least 1,000 pounds vertically.

## How far can a triple 2×12 beam span?

of 14 feet for a triple 2×12.

## Can my floor support a 75 gallon aquarium?

A 75 is 48″ wide, when running perp to joists will span at minimum 3 joists. Tank will weigh close to or over 700 lbs. Most floors in newer homes or older ones should hold a 75 gallon tank without any issues!

## How much weight can a joist hanger support?

Because you want a deck that can hold at least 55 pounds-per square inch, you multiply seven by 55, showing you that you’ll need a joist hanger that can support 385 pounds. Upon inspecting various joist hangers, you’ll notice information stamped on the side of the hanger and on the bottom; this is crucial.

## Can I use 2×4 for floor joists?

of 14 feet for a triple 2×12.

## Can my floor support a 100 gallon aquarium?

Yes, it can. Put it over as many joists as possible, and you’ll be fine. If it’s in the basement, as in over carpeted concrete, you could place just about any sized tank you want.

## How much weight can a first floor take?

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. In your case, I”d use a 4×4 which might squeeze a few feet like 10”.