Facades, partitions, in-situ testing. Brackets, arms and probes to put microphone and source where the standard says they go, even when the balcony disagrees.
The standardised angle without a balancing act on the tripod.
It exists as a shopping list in twenty different practices, never as a product.
Microphone 2 m off the facade, set up from indoors.
Spatial averaging in the receiving room without moving the tripod.
The small elements that ruin a facade insulation index.
Repeating the same measurement six months later at the same point.
Tests on small elements (grilles, roller-shutter boxes, vents).
Random but traceable positions, so the report cannot be challenged.
A known surface for checking repeatability between two campaigns.
Closing a gap without ruining the client's window frame.
The T20 that normalisation needs, in a single container.
Volume and surfaces documented the way the report requires.
Continuous spatial averaging, required by some procedures.
Mandatory boundary conditions, written down by hand today.
A repeatable position 2 m off the facade, with the height read off a scale.
Everything an apartment needs, in one case.
The link between draughts and a collapse in insulation.
Quick fixing without drilling and without asking permission.