R
Rookery
Drains - Falls possibly already catered for, you'll have to go and check.
Membrane - Not necessary
Expansion Joint - Depends on the shape, I'd maybe divide into 2 bays.
Adhesive - Weber Set Plus Rapid ECO or similar
PVA - No :yikes: Use Weber PR360
Membrane - Not necessary
Expansion Joint - Depends on the shape, I'd maybe divide into 2 bays.
Adhesive - Weber Set Plus Rapid ECO or similar
PVA - No :yikes: Use Weber PR360