Stabilising bowed walls methods

Dryfix wall ties, which are power driven directly into both leaves, via a small pilot hole of around 6mm diameter.

Retroties, which are driven into a 4.5mm pilot hole in the far leaf, via a clearance hole in the near leaf into which they are bonded with Polyplus resin.

Resities, which are resin bonded into a 10mm hole in both leaves.