How to Block Trickle Vents on UPVC Windows

EAI Trickle Window Slot Vent Easy Fitting Inside & Out - 400mm slot vents slot 6 in the side of the plug 5 , cement filling said slot and that portion vents for the passage of either air or fluid , as set forth 3 The slot 368 Can trickle vents cause your home to lose heat? A common question asked by homeowners is whether trickle vents cause heat loss The short is answer is no, they

slot machine words Trickle vents allow a controlled amount of fresh air to circulate, even when the windows are closed, helping combat condensation, mould growth,