retro-fitting trickle vents in uPVC windows

website trickle slot vent Trimvent Select Xtra S13 depo slot 5 ribu All vents are supplied with pre-fitted clips for quick clip-fitting into an optimal 13mm slot Screw holes are present for those wishing to screw-fix The vent

trickle slot vent Premium Trickle Slot Vent for uPVC, Aluminium & Wooden Window - 300mm  If I take the vent off, what can I fill the holesslot with? Then all you need to do is cover the trickle vent slots :confused: M  A trickle vent is a very small opening in a window or other building envelope component to allow small amounts of ventilation in spaces intended to be

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