The Ontario Building Code | Framing Supported on Flat Insulating Concrete Form Walls

9.20.17.5. Framing supported on Flat insulating Concrete Form walls

(1) floor joists supported on the side of flat insulating concrete form walls shall be supported with joist hangers secured to wood ledger boards.

(2) The ledger boards described in Sentence (1) shall be not less than,

(a) 38 mm thick, and

(b) the depth of the floor joists.

(3) Anchor bolts shall be used to secure ledger boards to flat insulating concrete form walls and shall be,

(a) embedded in the wall to a depth not less than 100 mm, and

(b) spaced in accordance with Table 9.20.17.5.

(4) floor joists and building frames supported on top of flat insulating concrete form walls shall be anchored in conformance with Article 9.23.6.1.

Table 9.20.17.5.
Maximum Anchor Bolt Spacing for the Connection of Ledger Boards to Flat insulating Concrete Form walls

Forming Part of Sentence 9.20.17.5.(3)

Item	Column 1	Column 2	Column 3
	Maximum Clear floor Span, m	Maximum Anchor Bolt Spacing, mm
		Staggered 12.7 mm Diameter Anchor Bolts	Staggered 16 mm Diameter Anchor Bolts
1.	2.44	450	500
2.	3.00	400	450
3.	4.00	300	400
4.	5.00	275	325