Load Bearing Floor

1 ft 0 3048 m.

Load bearing floor. Simply to say weight capacity is just that how much weight the raised floor system will hold also refer to load bearing capacity. A load bearing wall transfers load all the way down to the building s foundation. If the wall in question is on the second floor look to see if there is a wall in the exact same place on the floor below. A load bearing wall is any wall that holds up the weight of the structure above and the people furniture supported by that structure.

Maximum floor joist span for no. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size. A load bearing wall will often be perpendicular to floor joists. 2 grade of douglas fir are indicated below.

If the wall in. With an evenly distributed live load of 30 psf which the tables show the floor is able to support the total weight on the floor would be about 3 360 pounds. Live load is weight of furniture wind snow and more. For more info on floor joists and what they do here s bob vila.

If you see a wall that appears to be holding up an intersection of. The bigger a house is the farther apart its load bearing exterior walls will be and thus the more load bearing internal walls there will need to be to support the floor. The floors above roof structure people and furniture are the loads that the wall has to support. 1 in 25 4 mm.

Live load 30 lbs ft 2 1436 n m 2. Dead load weight of structure and fixed loads 10 lbs ft 2. First floor live loads have higher requirements than second floor live loads 40 pounds per square foot vs. If there is chances are the walls are load bearing.

Load capacity refers to the maximum demand stress or load that may be placed on a given raised floor system under normal or otherwise specified conditions for an extended period of time. Increasing the total weight on the floor to 4 480 pounds however results in a live load of 40 psf which is beyond the floor s load capacity. Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope.