Floor Load Width

This chart is for basic reference only.

Floor load width. Loads should be determined in accordance with this chapter. However if the attic is intended for storage the attic live load or some portion should also be considered for the design of. A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot. Roof load width rlw and floor load width flw can be determined from as1684 or from the images below.

2attic loads may be included in the floor live load but a 10 psf attic load is typically used only to size ceiling joists adequately for access purposes. 1 psf lb f ft 2 47 88 n m 2. Spacing should be interpreted as the centre to centre distance between adjacent parallel members. Required size for a given span.

Dead load is the weight of the structure and any fixed items. Where the bearer supports load bearing walls the type of roof covering also needs to be determined. If you have any questions you should contact an engineer. The extra two inches of vertical distance when a floor is framed with 2 x 10 joists rather than 2 x 12s can be quite important for example.

Maximum span of 2x6 floor joist. Whether the bearers are supporting load bearing walls or only floor loads the area of the floor supported by an individual bearer must be determined. 2 grade of douglas fir are indicated below. Maximum floor joist span for no.

Common sense tells you that large floor joists can carry more load and spacing joists closer together also increases the load bearing capacity of a floor. Live load represents the weight of furniture snow etc. In order to use the table select the floor load width from among the top line of the table in this case 1200mm 1800mm etc our example is 2m 2000mm and use the corresponding column 2400mm below to select the appropriate size of bearer from the list on the left and the post spacing measurement to match from within the column. The dead load on a floor is determined by the materials used in the floor s construction.

1 ft 0 3048 m. Dead load weight of structure and fixed loads 10 lbs ft 2. This is referred to as the floor load width flw.