Hello, my un-vented upstairs windows are creating condensation problems in my house. They also have no lockable vent position.
Is it possible to add trickle vents to existing upvc windows?
by storeyboy » Sun Dec 14, 2008 6:18 pm
by welsh brickie » Mon Dec 15, 2008 7:00 pm
by TheDoctor5 » Mon Jan 26, 2009 10:41 am