9.15.5. Support of Joists and Beams on Masonry Foundation Walls

9.15.5. Support of Joists and Beams on Masonry Foundation Walls
9.15.5.1. Support of Floor Joists
  1. Except as permitted in Sentence (2), foundation walls of hollow masonry units supporting floor joists shall be capped with
    1. not less than 50 mm of concrete,
    2. solid masonry units that are 100% solid and not less than 50 mm high, or
    3. semi-solid or hollow solid masonry units that have the top course completely filled with mortar, grout or concrete.
  2. Capping required in Sentence (1) need not be provided
    1. in localities where termites are not known to occur,
    2. when the joists are supported on a wood plate not less than 38 mm by 89 mm, and
    3. when the siding overlaps the foundation wall not less than 12 mm.
9.15.5.2. Support of Beams
  1. Not less than 190 mm depth of solid masonry shall be provided beneath beams supported on masonry.
  2. Where the beam referred to in Sentence (1) is supported below the top of the foundation walls, the ends of such beams shall be protected from the weather.
9.15.5.3. Pilasters
  1. Pilasters shall be provided under beams that frame into unit masonry foundation walls 140 mm or less in thickness.
  2. Pilasters required in Sentence (1) shall be not less than 90 mm by 290 mm and shall be bonded or tied into the wall.
  3. The top 200 mm of pilasters required in Sentence (1) shall be solid masonry with the cells of hollow or semi-solid units filled with mortar, grout or concrete.