Ties to bed 50mm into each leaf.

Drip to be in the centre of the cavity.

Positioned that the drip faces down.

Clean off mortar droppings.

Ties to be level or falling slightly to the external leaf.

Ties space within 225mm of the movement joint.

Not more than 300mm vertically, usually 225mm in block work.

Spacing would normally be 225mm when in block work.

Bed reinforcement can be used to bond party wall to the external structure.

Wall ties can be used as an alternative.

These should be set 225mm intervals.

Retaining clips to hold the insulation tight against the inner skin.

Be placed along the horizontal joint.