Trickle vents are very small openings built into windows for ventilation purposes. They encourage air flow by allowing stale air to escape. In doing so they prevent condensation and mould – both of which can irritate health conditions such as asthma and allergies. Here at Sovereign Home Improvements our secure uPVC windows come already fitted with warm edge spacer technology.
On survey we can determine if you need trickle vents or not. Some houses will require them especially new builds as it is a building regulations requirement. Older properties do not require them usually.