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CAVITY WALL (Joists built in)

Full depth blocking or Minimum 38mm x 38mm perimeter noggin for floor deck support. Similar noggin may be required for ceiling edge support. Noggin to be set 15mm to 25mm from wall. Noggin skew nailed or fixed using Z clip.

Web stiffeners must be fitted to the ends of I-Joists. The ends of all joists and beams should be sealed with silicon mastic as per NHBC detail.

90mm minimum bearing. Finnjoists or Kerto® must not extend into cavity. Minimum 45mm bearing for internal walls.

INSTALLATION NOTE: Ensure bearings are flat, level and that the Finnjoists or Kerto® are vertical.