https://targetfixings.co.uk/knowledge-bank/bf05-reconnecting-internal-external-cavity-walls/
BF05 - Target Fixings
Jul 29, 2025 - 1. Rake out or cut slots into horizontal mortar joints2. Use power/hand chisel to continue slots up to internal corner3. Vacuum out the slots and thoroughly
targetfixings
https://www.blange-eyeblow.com/bf05/
bf05 | Blange