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CHOOSING THE SIZE AND SPACING OF WALL STUDS FOR PLATFORM FRAMING Problem
76 Platform framing
Select the first floor wall studs that are able to support the superimposed loads as follows.
Conditions First floor interior wall studs support a second storey and an attic that is not served by a staircase (that is, without storage). All studs are 2.36 m (7 ft. 9 in.) long.
Selection Use Table 25 (p. 290). Acceptable wall stud sizes for this application include:
2.36 m (7 ft. 9 in.)
38 × 64 mm (2 × 3 in.) spaced at 400 mm (16 in.) on centre, or 38 × 89 mm (2 × 4 in.) spaced at 600 mm (24 in.) on centre Note: In accordance with the National Building Code, the metric spacing of wood framing members is expressed as a “soft” conversion from the actual imperial dimensions. For example, spacing of 12, 16 and 24 inches on centre is converted to 300, 400 and 600 mm. on centre, respectively. In order to suit the imperial sizes of common 1 220 × 2 440 mm (4 × 8 ft.) panel
products, such as gypsum board, OSB and plywood, the actual spacing of framing members is commonly adjusted to 305, 406 and 610 mm on centre respectively.
76 Platform framing
Select the first floor wall studs that are able to support the superimposed loads as follows.
Conditions First floor interior wall studs support a second storey and an attic that is not served by a staircase (that is, without storage). All studs are 2.36 m (7 ft. 9 in.) long.
Selection Use Table 25 (p. 290). Acceptable wall stud sizes for this application include:
2.36 m (7 ft. 9 in.)
38 × 64 mm (2 × 3 in.) spaced at 400 mm (16 in.) on centre, or 38 × 89 mm (2 × 4 in.) spaced at 600 mm (24 in.) on centre Note: In accordance with the National Building Code, the metric spacing of wood framing members is expressed as a “soft” conversion from the actual imperial dimensions. For example, spacing of 12, 16 and 24 inches on centre is converted to 300, 400 and 600 mm. on centre, respectively. In order to suit the imperial sizes of common 1 220 × 2 440 mm (4 × 8 ft.) panel
products, such as gypsum board, OSB and plywood, the actual spacing of framing members is commonly adjusted to 305, 406 and 610 mm on centre respectively.
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