Pro Installer July 2014 - Issue 16 | Page 45

45 PRO INSTALLER JULY 2014 PRO PRODUCTS @proinstaller1 TRICKLE VENTS? I HATE ‘EM! In this lighthearted article for Clearview, Andrew Halsall, Managing Director of Origin Frames, a leading manufacturer of Aluminium Folding Sliding doors and Aluminium windows tackles one of his pet hates: trickle vents. As a user of doors and windows for more than half a century, I can honestly say that I have never once had the occasion to use a trickle vent. To me, it is obvious that if a room is too hot or maybe poorly ventilated, you open a door or window – after all, they do open, that is part of their actual function. I’ve yet to hear anyone say – in a home, shop, hotel etc – “I’ll just open a trickle vent as it’s a little stuffy in here.” Having got that off my chest, I admit that my personal employment background is outside of the door and window industry so I have a very limited technical knowledge of how things actually work and the underlying reasons for them. But when I came into this industry, one of the things that struck me as really odd was the insistence of trickle vents on door and window products. From my point of view - as a manufacturer of aesthetically attractive products that need to be manufactured to minimal tolerances - the inclusion of trickle vents is an ugly addition that puts extra pressure on the fabrication process. It also adds an extra “potentially” moving part that has the capacity to fail. Finally, it adds extra costs to the product that the customers have to stand. If this is a safety feature, surely it cannot be down to the operator to engage it? I doubt if I am the only person who believes that the trickle vent is just an idea that has been universally accepted as correct when in reality, it is a bit of nonsense. It is useless. What architect or designer would suggest that a building should be ventilated by the discretion of an untrained ‘If this is a safety feature, surely it cannot be down to the operator to engage it?’ user? Who would suggest the desecration of a “well-designed” door or window