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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 size beam you need to support a 10 ft span load bearing wall?
Depends on how much weight is above it!! but on 1 -2 story wood framed structures triple 2x12's glued and nailed will do the trick
How do you know if it is a load bearing wall?
A wall without column structure. The wall itself support the loading from the upper floor. In conventional structure, the column support the loading from the upper beam and transfer it to the lower beam.
What size oak beam is needed to span 13' for a two story load bearing wall?
That can't be answered without seeing the details of your plans.
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.
What is the maximum span on a double 2x12 beam supporting a 2nd floor load with no roof load?
About 5metres(16') but would have to be stress graded timber.
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 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.
You removed a load bearing wall they had reinforced the post and put in a beam 2 months later you are noticing cracks in the wall and a previous crack had lengthened what are my walls saying?
If I am reading the question correctly, a load bearing wall was removed and replaced with a beam? Clear span, no post in the middle? If cracks are appearing, the beam that was used was not big enough. For any space of 8 feet or more, 2x12 and plywood should be used for the beam or an engineered truss used.
What size beam you need to support a 10 ft span load bearing wall?
Depends on how much weight is above it!! but on 1 -2 story wood framed structures triple 2x12's glued and nailed will do the trick
What is the maximum allowable span for a double 2x10 beam in a structural application?
The maximum allowable span for a double 2x10 beam in a structural application is typically around 12-15 feet, depending on the specific load and building codes.
Torque specs on main bearing beam for sr20det?
beam for sr20det?
What is the maximum allowable span for a double 2x8 beam in a structural application?
The maximum allowable span for a double 2x8 beam in a structural application is typically around 12-15 feet, depending on the specific load and building codes. It is important to consult with a structural engineer to determine the exact span for your specific project.
How do you make loading bearing beam out of 2x12?
Usually it is in a 2x4 wall. Take two 2x12's the right length and put a strip of 1/2 inch thick plywood between them. Nail through from each side at regular points alternating the spacing on each side. This ties everything together. The plywood and the different grains of the 2x12 give it more strength than the parts separately. good answer above. make sure to crown both 2x12's in the same direction and adding construction adhesive to plywood before nailing all together gives it even more strength. Install it with crowned side up naturally!
Bearing wall carrying two sections of roof and want to put in a post and beam instead of the wall Wall is 12 ft long What size beam or glulam do you need?
too many variables here, mostly the size of the roof above it (steepness, weight of shingles, tile or slate? etc. You're best to overengineer it. A double thickness (3.5" X 12" or 16" wide) glulam will support a reasonably large roof above it, otherwise a simple double 2x12 would work for a 3/12 -6/12 pitch roof with light grade 30 year shingles.
What size of beam do you need to span 16 ft?
1 ft by 1.2 ft... verticaly 1.2ft
