Polycarbonate secondary glazing can be a good heat loss solution for windows that don’t need to open in winter. It’s cheap and almost invisible.
We’re having many conversations with community groups as we match them to engineers, and some of them have raised an issue to do with Covid. They know that more ventilation means more heat loss, and that draughts make people much less comfortable. They don’t want to risk anyone’s health, so they are asking what the […]