02/09/2026
The comprehensive book on daylighting, which mentions solutions from Heliobus, has been published: Osvětlení denním světlem (Daylighting) by Darula, Kaňka and Mohelníková, IC ČKAIT, Prague.
What caught our attention: it dedicates a full chapter to shafts, basement light wells and daylight in underground spaces. That is exactly what our Mirror Shaft was built to solve, bringing real daylight into cellars where a conventional light well gives up.
A clear signal that basement daylight is moving from "nice to have" to serious building science.