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exterior finish, a sill plate anchored to the top of the wall supports the wall framing, and a separate sill plate located on a ledge formed in the wall supports the floor joists. Where brick veneer is used, the top of the foundation wall supports the brick, and the floor framing supports the wall framing (Figure 58). If the thickness of the wall is reduced, the height of the reduced section cannot exceed 350 mm (14 in.).
Joist-Embedded Method The joist-embedded method is used rarely, and only with cast-in-place concrete foundation walls. Beams, joists and headers are positioned before the concrete is placed. Support the floor framing temporarily on the inside concrete form and use wedges to level the framing. Place filler pieces between the floor joists and along the end walls to retain the fluid concrete between the joists.
58 Floor joists supported on ledge formed in foundation wall wall finish air/vapour barrier insulation
rigid insulation over 2 × 4 framing
wall stud wall sheathing sheathing membrane
subfloor
masonry veneer air space base flashing 150 mm (6 in.) minimum 12 mm (1⁄2 in.) air space if the wood is untreated and located at or below grade floor joist toenailed to sill plate dampproof course under sill when less than 150 mm (6 in.) above finished grade continuous header sill plate anchored to foundation anchor bolt