News

On a 180-apartment scheme the terminal is a multiplier. Mixed specification by room type, the shallow-void problem, crosstalk between dwellings, and how to defend the spec at value engineering.

Three places retail ventilation goes wrong, what to specify by ceiling type, and how to write a standard detail that survives being repeated across forty stores.

BB101 wants more air; BB93 wants less noise. The only way to satisfy both at the terminal is free area. Sizing method, crosstalk, ceiling robustness and where to spend across a school estate.

Clinical spaces are specialised and not a place for an architectural terminal. Consulting rooms, patient bedrooms, waiting areas and circulation are a different question — here is how to decide.

A draught complaint is about air velocity at head height, not temperature. Why supply jets detach from the ceiling, the over-sizing trap, and the layout rules that matter more than the product.

Guest rooms are the one space where someone lies in the dark listening to your air distribution. How to specify terminals that are quiet, comfortable and invisible — and where to spend the budget across a hotel.

A frameless diffuser is part of the ceiling, not a terminal on the end of a duct. What to put in the model at each stage, the clashes that actually bite, and who owns which decision.

What a frameless gypsum grille really costs against a standard metal grille once plasterer and decorator time are in the figure, and the seven applications where a metal grille is still the right call.

From litres per second to a part number. Spigot diameters against m³/h at working duct velocities, when to go two slots versus three, and how to carry the sizing through to the plenum box.

Line, Performance Line and Performance Circle solve the same problem three different ways. Prices, slot options, spigot sizes, plenum requirements and a thirty-second decision list.