Load Bearing Floor

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.

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 is any wall that holds up the weight of the structure above and the people furniture supported by that structure. 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. 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.

A load bearing wall will often be perpendicular to floor joists. If there is chances are the walls are load bearing. If the wall in. Maximum floor joist span for no.

Often these load bearing walls are roughly near the center of the house because the center of the house is the farthest point from any of the exterior walls. Live load is weight of furniture wind snow and more. 1 in 25 4 mm. Live load 30 lbs ft 2 1436 n m 2.

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. First floor live loads have higher requirements than second floor live loads 40 pounds per square foot vs. A load bearing wall transfers load all the way down to the building s foundation. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size.

The floors above roof structure people and furniture are the loads that the wall has to support. For residential floors the live load is usually considered to be 30 to 40 pounds per square foot psf although this varies depending on the location within the home. 1 ft 0 3048 m. 2 grade of douglas fir are indicated below.

Dead load weight of structure and fixed loads 10 lbs ft 2. 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. 1 psf lb f ft 2 47 88 n m 2.