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About 5metres(16') but would have to be stress graded timber.

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15y ago
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3y ago

14'

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Q: What is the maximum span on a double 2x12 beam supporting a 2nd floor load with no roof load?
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Related questions

What is the maximum span on a triple 2x12 beam supporting a roof?

Triple? That sounds an awful lot like gluelam... Which requires engineer approval to meet code. The inspecting engineer will be able to tell you.


What is maximum span on a double 2x12 beam non load bearing?

Not sure why you need a beam that bears no load. You can go 22'. Beyond that it needs to be broken down to shorter lengths.


How much does a 16 2x12 pressure treated floor joist weigh?

It depends on its moister content.


What is the maximum span on a double 2x12 beam supporting 2x8 ceiling rafters and an acoustical ceiling?

Depends on the area above the ceiling joists. Is it a live load (living space) or dead load (just the joists with maybe an attic above)? Also, the length of the ceiling joists from the last bearing point is a factor. How much weight is bearing on the beam is the critical issue.


On a deck what would be the maximum spacing of 2'X12' floor joists on a 20ft span?

Even using a 2x12 the spacing for 20 feet will be less than 12 inches on center. I would recommend splitting the distance with a double beam perpendicular to the joist run. This will allow you to go up to 24 inches on center. Your span will only be ten feet aproximately this way. I would double the beam. (2-2x12 joined together) Good luck. when building your beam make sure the laps on the beam are at least 6 foot apart and put a good wood glue on the 2x12s plus for added strength put 1/2 inch O.S.B. in between the 2x12 and I would also lag or bolt them together, at about 16 to 24 inches O.S.B. = Oscilating Strand Board.


What can you multiply to get 24?

1x24, 2x12, 3x8, 4x6 are all the natural number combinations.


What is the value of 4 2x12?

96


What is a double joist?

Two boards nailed together for strength. Over a door or window opening, two 2x12 with a piece of 1/2 inch plywood in between for a header.


How wide is a 2x12 board?

The width is 2 in this case.


What equels 24 in multipliction?

1x24, 2x12, 3x8, 4x6


How to build a platform over a sharply sloped floor?

How much slope and how long of a run? For short distance, up to 12 feet, and 12 inches of drop, you cut a 2x12 at the right slope and use them for the floor joist. For longer runs or greater slope, Use 2x6 level and use 2x4 legs under them.


How many are 2 dozens?

1dozen=12 so 2x12 24